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64172054 = 296733181
BaseRepresentation
bin1111010011001…
…1000000010110
311110202021111202
43310303000112
5112412001204
610211232502
71406311352
oct364630026
9143667452
1064172054
1133250461
12195a8732
13103aac3b
148746462
155978e1e
hex3d33016

64172054 has 8 divisors (see below), whose sum is σ = 96360528. Its totient is φ = 32051880.

The previous prime is 64172027. The next prime is 64172083. The reversal of 64172054 is 45027146.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14657 + ... + 18524.

It is an arithmetic number, because the mean of its divisors is an integer number (12045066).

Almost surely, 264172054 is an apocalyptic number.

64172054 is a deficient number, since it is larger than the sum of its proper divisors (32188474).

64172054 is a wasteful number, since it uses less digits than its factorization.

64172054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34150.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 64172054 is about 8010.7461575062. The cubic root of 64172054 is about 400.3581251037.

The spelling of 64172054 in words is "sixty-four million, one hundred seventy-two thousand, fifty-four".

Divisors: 1 2 967 1934 33181 66362 32086027 64172054