Search a number
-
+
313519248 = 2434724937
BaseRepresentation
bin10010101011111…
…110110010010000
3210211221102120000
4102223332302100
51120230103443
651035450000
710524604200
oct2253766220
9724842500
10313519248
11150a78719
1288bb6900
134cc52463
142d8d2400
151c7ce8d3
hex12afec90

313519248 has 150 divisors (see below), whose sum is σ = 1055778966. Its totient is φ = 89558784.

The previous prime is 313519243. The next prime is 313519273. The reversal of 313519248 is 842915313.

313519248 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 260112384 + 53406864 = 16128^2 + 7308^2 .

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 (313519243) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 61036 + ... + 65972.

Almost surely, 2313519248 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 313519248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527889483).

313519248 is an abundant number, since it is smaller than the sum of its proper divisors (742259718).

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

313519248 is a wasteful number, since it uses less digits than its factorization.

313519248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4971 (or 4949 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 313519248 is about 17706.4747479559. The cubic root of 313519248 is about 679.3413807496.

The spelling of 313519248 in words is "three hundred thirteen million, five hundred nineteen thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 49 54 56 63 72 81 84 98 108 112 126 144 147 162 168 189 196 216 252 294 324 336 378 392 432 441 504 567 588 648 756 784 882 1008 1134 1176 1296 1323 1512 1764 2268 2352 2646 3024 3528 3969 4536 4937 5292 7056 7938 9072 9874 10584 14811 15876 19748 21168 29622 31752 34559 39496 44433 59244 63504 69118 78992 88866 103677 118488 133299 138236 177732 207354 236976 241913 266598 276472 311031 355464 399897 414708 483826 533196 552944 622062 710928 725739 799794 829416 933093 967652 1066392 1244124 1451478 1599588 1658832 1866186 1935304 2132784 2177217 2488248 2799279 2902956 3199176 3732372 3870608 4354434 4976496 5598558 5805912 6398352 6531651 7464744 8708868 11197116 11611824 13063302 14929488 17417736 19594953 22394232 26126604 34835472 39189906 44788464 52253208 78379812 104506416 156759624 313519248