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64374085 = 535935863
BaseRepresentation
bin1111010110010…
…0010101000101
311111010112122101
43311210111011
5112434432320
610215432101
71411112356
oct365442505
9144115571
1064374085
1133379226
1219685631
131044bb99
148799d2d
1559b8c0a
hex3d64545

64374085 has 8 divisors (see below), whose sum is σ = 77466240. Its totient is φ = 51354384.

The previous prime is 64374061. The next prime is 64374103. The reversal of 64374085 is 58047346.

64374085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 64374085 - 211 = 64372037 is a prime.

It is a super-4 number, since 4×643740854 (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16137 + ... + 19726.

It is an arithmetic number, because the mean of its divisors is an integer number (9683280).

Almost surely, 264374085 is an apocalyptic number.

It is an amenable number.

64374085 is a deficient number, since it is larger than the sum of its proper divisors (13092155).

64374085 is a wasteful number, since it uses less digits than its factorization.

64374085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36227.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 64374085 is about 8023.3462470468. The cubic root of 64374085 is about 400.7778302199. Note that the first 3 decimals are identical.

The spelling of 64374085 in words is "sixty-four million, three hundred seventy-four thousand, eighty-five".

Divisors: 1 5 359 1795 35863 179315 12874817 64374085