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64293089 = 79184727
BaseRepresentation
bin1111010101000…
…0100011100001
311110222102112112
43311100203201
5112424334324
610214005105
71410324260
oct365204341
9143872475
1064293089
1133323393
1219646795
1310421063
1487785d7
15599ec0e
hex3d508e1

64293089 has 4 divisors (see below), whose sum is σ = 73477824. Its totient is φ = 55108356.

The previous prime is 64293079. The next prime is 64293113. The reversal of 64293089 is 98039246.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64293089 - 220 = 63244513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64293049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4592357 + ... + 4592370.

It is an arithmetic number, because the mean of its divisors is an integer number (18369456).

Almost surely, 264293089 is an apocalyptic number.

It is an amenable number.

64293089 is a deficient number, since it is larger than the sum of its proper divisors (9184735).

64293089 is an equidigital number, since it uses as much as digits as its factorization.

64293089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9184734.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 64293089 is about 8018.2971384204. The cubic root of 64293089 is about 400.6096723603.

The spelling of 64293089 in words is "sixty-four million, two hundred ninety-three thousand, eighty-nine".

Divisors: 1 7 9184727 64293089