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319542048 = 25327315113
BaseRepresentation
bin10011000010111…
…101001100100000
3211021021102021200
4103002331030200
51123300321143
651412521200
710630030320
oct2302751440
9737242250
10319542048
11154411741
128b020200
1351280947
143061d280
151d0be1d3
hex130bd320

319542048 has 144 divisors (see below), whose sum is σ = 1072221696. Its totient is φ = 88335360.

The previous prime is 319542043. The next prime is 319542071. The reversal of 319542048 is 840245913.

319542048 is a `hidden beast` number, since 3 + 195 + 420 + 48 = 666.

319542048 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (319542043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59940 + ... + 65052.

It is an arithmetic number, because the mean of its divisors is an integer number (7445984).

Almost surely, 2319542048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 319542048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536110848).

319542048 is an abundant number, since it is smaller than the sum of its proper divisors (752679648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

319542048 is a wasteful number, since it uses less digits than its factorization.

319542048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5167 (or 5156 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 319542048 is about 17875.7390896153. The cubic root of 319542048 is about 683.6639366871.

The spelling of 319542048 in words is "three hundred nineteen million, five hundred forty-two thousand, forty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 31 32 36 42 48 56 62 63 72 84 93 96 112 124 126 144 168 186 217 224 248 252 279 288 336 372 434 496 504 558 651 672 744 868 992 1008 1116 1302 1488 1736 1953 2016 2232 2604 2976 3472 3906 4464 5113 5208 6944 7812 8928 10226 10416 15339 15624 20452 20832 30678 31248 35791 40904 46017 61356 62496 71582 81808 92034 107373 122712 143164 158503 163616 184068 214746 245424 286328 317006 322119 368136 429492 475509 490848 572656 634012 644238 736272 858984 951018 1109521 1145312 1268024 1288476 1426527 1472544 1717968 1902036 2219042 2536048 2576952 2853054 3328563 3435936 3804072 4438084 5072096 5153904 5706108 6657126 7608144 8876168 9985689 10307808 11412216 13314252 15216288 17752336 19971378 22824432 26628504 35504672 39942756 45648864 53257008 79885512 106514016 159771024 319542048