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64217382 = 2310702897
BaseRepresentation
bin1111010011111…
…0000100100110
311110211120200120
43310332010212
5112414424012
610212222410
71406560455
oct364760446
9143746616
1064217382
1133281519
121960aa06
13103c5768
148758b9c
15598758c
hex3d3e126

64217382 has 8 divisors (see below), whose sum is σ = 128434776. Its totient is φ = 21405792.

The previous prime is 64217353. The next prime is 64217383. The reversal of 64217382 is 28371246.

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

64217382 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64217383) 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, 5351443 + ... + 5351454.

It is an arithmetic number, because the mean of its divisors is an integer number (16054347).

Almost surely, 264217382 is an apocalyptic number.

64217382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64217382 is a wasteful number, since it uses less digits than its factorization.

64217382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10702902.

The product of its digits is 16128, while the sum is 33.

The square root of 64217382 is about 8013.5748577024. The cubic root of 64217382 is about 400.4523673832.

The spelling of 64217382 in words is "sixty-four million, two hundred seventeen thousand, three hundred eighty-two".

Divisors: 1 2 3 6 10702897 21405794 32108691 64217382