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245004984 = 233274710343
BaseRepresentation
bin11101001101001…
…11101010111000
3122002000112122200
432212213222320
51000210124414
640151150200
76033336150
oct1646475270
9562015580
10245004984
11116331964
126a075360
133b9b3c83
1424779760
1516799109
hexe9a7ab8

245004984 has 96 divisors (see below), whose sum is σ = 774558720. Its totient is φ = 68505408.

The previous prime is 245004983. The next prime is 245005001. The reversal of 245004984 is 489400542.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245004983) 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, 18517 + ... + 28859.

It is an arithmetic number, because the mean of its divisors is an integer number (8068320).

Almost surely, 2245004984 is an apocalyptic number.

245004984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245004984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387279360).

245004984 is an abundant number, since it is smaller than the sum of its proper divisors (529553736).

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

245004984 is a wasteful number, since it uses less digits than its factorization.

245004984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10409 (or 10402 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 245004984 is about 15652.6350497288. The cubic root of 245004984 is about 625.7367176009.

The spelling of 245004984 in words is "two hundred forty-five million, four thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 47 56 63 72 84 94 126 141 168 188 252 282 329 376 423 504 564 658 846 987 1128 1316 1692 1974 2632 2961 3384 3948 5922 7896 10343 11844 20686 23688 31029 41372 62058 72401 82744 93087 124116 144802 186174 217203 248232 289604 372348 434406 486121 579208 651609 744696 868812 972242 1303218 1458363 1737624 1944484 2606436 2916726 3402847 3888968 4375089 5212872 5833452 6805694 8750178 10208541 11666904 13611388 17500356 20417082 27222776 30625623 35000712 40834164 61251246 81668328 122502492 245004984