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164910550 = 2527471173
BaseRepresentation
bin10011101010001…
…01010111010110
3102111022022202011
421311011113112
5314204114200
624210334434
74041500530
oct1165052726
9374268664
10164910550
11850a6812
124728a41a
132821c90c
1417c8a850
15e7275ba
hex9d455d6

164910550 has 24 divisors (see below), whose sum is σ = 350553456. Its totient is φ = 56540640.

The previous prime is 164910541. The next prime is 164910553. The reversal of 164910550 is 55019461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164910553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235237 + ... + 235936.

It is an arithmetic number, because the mean of its divisors is an integer number (14606394).

Almost surely, 2164910550 is an apocalyptic number.

164910550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164910550 is an abundant number, since it is smaller than the sum of its proper divisors (185642906).

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

164910550 is a wasteful number, since it uses less digits than its factorization.

164910550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471192 (or 471187 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 164910550 is about 12841.7502701151. The cubic root of 164910550 is about 548.3815229947.

The spelling of 164910550 in words is "one hundred sixty-four million, nine hundred ten thousand, five hundred fifty".