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64056623 = 673372837
BaseRepresentation
bin1111010001011…
…0110100101111
311110112102011112
43310112310233
5112344302443
610204542235
71405321001
oct364266457
9143472145
1064056623
1133181764
121955197b
131036a537
148716371
155954b18
hex3d16d2f

64056623 has 8 divisors (see below), whose sum is σ = 65228592. Its totient is φ = 62891136.

The previous prime is 64056607. The next prime is 64056647. The reversal of 64056623 is 32665046.

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 64056623 - 24 = 64056607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64056623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64056653) 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, 21161 + ... + 23997.

It is an arithmetic number, because the mean of its divisors is an integer number (8153574).

Almost surely, 264056623 is an apocalyptic number.

64056623 is a deficient number, since it is larger than the sum of its proper divisors (1171969).

64056623 is a wasteful number, since it uses less digits than its factorization.

64056623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3241.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 64056623 is about 8003.5381550912. The cubic root of 64056623 is about 400.1179298113.

The spelling of 64056623 in words is "sixty-four million, fifty-six thousand, six hundred twenty-three".

Divisors: 1 67 337 2837 22579 190079 956069 64056623