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164850285 = 3571154789
BaseRepresentation
bin10011101001101…
…10101001101101
3102111012021002010
421310312221231
5314200202120
624205151433
74041130035
oct1164665155
9374167063
10164850285
1185065506
124725b579
13281cb362
1417c728c5
15e7147e0
hex9d36a6d

164850285 has 16 divisors (see below), whose sum is σ = 267477120. Its totient is φ = 86681280.

The previous prime is 164850271. The next prime is 164850359. The reversal of 164850285 is 582058461.

It is not a de Polignac number, because 164850285 - 25 = 164850253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76330 + ... + 78459.

It is an arithmetic number, because the mean of its divisors is an integer number (16717320).

Almost surely, 2164850285 is an apocalyptic number.

164850285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164850285 is a deficient number, since it is larger than the sum of its proper divisors (102626835).

164850285 is a wasteful number, since it uses less digits than its factorization.

164850285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154868.

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 164850285 is about 12839.4036076447. The cubic root of 164850285 is about 548.3147145764.

The spelling of 164850285 in words is "one hundred sixty-four million, eight hundred fifty thousand, two hundred eighty-five".

Divisors: 1 3 5 15 71 213 355 1065 154789 464367 773945 2321835 10990019 32970057 54950095 164850285