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64224357 = 329738211
BaseRepresentation
bin1111010011111…
…1110001100101
311110211221020220
43310333301211
5112420134412
610212314553
71406620011
oct364776145
9143757226
1064224357
113328678a
1219612a59
13103c89a2
14875b541
15598968c
hex3d3fc65

64224357 has 8 divisors (see below), whose sum is σ = 88585440. Its totient is φ = 41339760.

The previous prime is 64224301. The next prime is 64224361. The reversal of 64224357 is 75342246.

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

It is not a de Polignac number, because 64224357 - 216 = 64158821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64224857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369019 + ... + 369192.

It is an arithmetic number, because the mean of its divisors is an integer number (11073180).

Almost surely, 264224357 is an apocalyptic number.

It is an amenable number.

64224357 is a deficient number, since it is larger than the sum of its proper divisors (24361083).

64224357 is a wasteful number, since it uses less digits than its factorization.

64224357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738243.

The product of its digits is 40320, while the sum is 33.

The square root of 64224357 is about 8014.0100449151. The cubic root of 64224357 is about 400.4668652967.

The spelling of 64224357 in words is "sixty-four million, two hundred twenty-four thousand, three hundred fifty-seven".

Divisors: 1 3 29 87 738211 2214633 21408119 64224357