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64297929 = 3212910067
BaseRepresentation
bin1111010101000…
…1101111001001
311110222200011210
43311101233021
5112430013204
610214043333
71410344343
oct365215711
9143880153
1064297929
1133326a93
1219649549
1310423317
14877a293
1559a1389
hex3d51bc9

64297929 has 8 divisors (see below), whose sum is σ = 85779360. Its totient is φ = 42840896.

The previous prime is 64297921. The next prime is 64297939. The reversal of 64297929 is 92979246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64297929 - 23 = 64297921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64297921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1354 + ... + 11420.

It is an arithmetic number, because the mean of its divisors is an integer number (10722420).

Almost surely, 264297929 is an apocalyptic number.

It is an amenable number.

64297929 is a deficient number, since it is larger than the sum of its proper divisors (21481431).

64297929 is a wasteful number, since it uses less digits than its factorization.

64297929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12199.

The product of its digits is 489888, while the sum is 48.

The square root of 64297929 is about 8018.5989424587. The cubic root of 64297929 is about 400.6197247738.

The spelling of 64297929 in words is "sixty-four million, two hundred ninety-seven thousand, nine hundred twenty-nine".

Divisors: 1 3 2129 6387 10067 30201 21432643 64297929