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64429708 = 22722711213
BaseRepresentation
bin1111010111000…
…1111010001100
311111020100221111
43311301322030
5112443222313
610220541404
71411433500
oct365617214
9144210844
1064429708
1133406aa2
12196b1864
131046b2b5
1487b2300
1559ca43d
hex3d71e8c

64429708 has 36 divisors (see below), whose sum is σ = 131752992. Its totient is φ = 27488160.

The previous prime is 64429669. The next prime is 64429709. The reversal of 64429708 is 80792446.

It is not an unprimeable number, because it can be changed into a prime (64429709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52510 + ... + 53722.

Almost surely, 264429708 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 64429708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65876496).

64429708 is an abundant number, since it is smaller than the sum of its proper divisors (67323284).

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

64429708 is a wasteful number, since it uses less digits than its factorization.

64429708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502 (or 1493 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 64429708 is about 8026.8118203930. The cubic root of 64429708 is about 400.8932288707.

The spelling of 64429708 in words is "sixty-four million, four hundred twenty-nine thousand, seven hundred eight".

Divisors: 1 2 4 7 14 28 49 98 196 271 542 1084 1213 1897 2426 3794 4852 7588 8491 13279 16982 26558 33964 53116 59437 118874 237748 328723 657446 1314892 2301061 4602122 9204244 16107427 32214854 64429708