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64304929 = 1321132341
BaseRepresentation
bin1111010101001…
…1011100100001
311111000000210001
43311103130201
5112430224204
610214140001
71410403633
oct365233441
9144000701
1064304929
1133331277
1219651601
1310426570
14877ca53
1559a34a4
hex3d53721

64304929 has 8 divisors (see below), whose sum is σ = 69313832. Its totient is φ = 59304960.

The previous prime is 64304921. The next prime is 64304939. The reversal of 64304929 is 92940346.

It can be written as a sum of positive squares in 4 ways, for example, as 672400 + 63632529 = 820^2 + 7977^2 .

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

It is not a de Polignac number, because 64304929 - 23 = 64304921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64304921) 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, 26299 + ... + 28639.

It is an arithmetic number, because the mean of its divisors is an integer number (8664229).

Almost surely, 264304929 is an apocalyptic number.

It is an amenable number.

64304929 is a deficient number, since it is larger than the sum of its proper divisors (5008903).

64304929 is a wasteful number, since it uses less digits than its factorization.

64304929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 64304929 is about 8019.0354158091. The cubic root of 64304929 is about 400.6342624961.

The spelling of 64304929 in words is "sixty-four million, three hundred four thousand, nine hundred twenty-nine".

Divisors: 1 13 2113 2341 27469 30433 4946533 64304929