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65474982 = 23229432917
BaseRepresentation
bin1111100111000…
…1000110100110
311120012110210100
43321301012212
5113230144412
610255204530
71423346106
oct371610646
9146173710
1065474982
1133a60361
1219b16746
1310745cc1
1489a5206
155b34edc
hex3e711a6

65474982 has 48 divisors (see below), whose sum is σ = 150218640. Its totient is φ = 20575296.

The previous prime is 65474971. The next prime is 65475001. The reversal of 65474982 is 28947456.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20988 + ... + 23904.

It is an arithmetic number, because the mean of its divisors is an integer number (3129555).

Almost surely, 265474982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65474982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75109320).

65474982 is an abundant number, since it is smaller than the sum of its proper divisors (84743658).

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

65474982 is a wasteful number, since it uses less digits than its factorization.

65474982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997 (or 2994 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 65474982 is about 8091.6612633006. The cubic root of 65474982 is about 403.0495703832.

The spelling of 65474982 in words is "sixty-five million, four hundred seventy-four thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 9 18 29 43 58 86 87 129 174 258 261 387 522 774 1247 2494 2917 3741 5834 7482 8751 11223 17502 22446 26253 52506 84593 125431 169186 250862 253779 376293 507558 752586 761337 1128879 1522674 2257758 3637499 7274998 10912497 21824994 32737491 65474982