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164481051 = 3727132887
BaseRepresentation
bin10011100110111…
…00100000011011
3102110111111120210
421303130200123
5314101343201
624153222203
74035031410
oct1163344033
9373444523
10164481051
1184933059
1247101963
13280cc287
1417bb8107
15e6901d6
hex9cdc81b

164481051 has 16 divisors (see below), whose sum is σ = 250817024. Its totient is φ = 93921984.

The previous prime is 164481049. The next prime is 164481091. The reversal of 164481051 is 150184461.

164481051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164481051 - 21 = 164481049 is a prime.

It is a super-2 number, since 2×1644810512 = 54108032276129202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164481091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55530 + ... + 58416.

It is an arithmetic number, because the mean of its divisors is an integer number (15676064).

Almost surely, 2164481051 is an apocalyptic number.

164481051 is a deficient number, since it is larger than the sum of its proper divisors (86335973).

164481051 is a wasteful number, since it uses less digits than its factorization.

164481051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5610.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 164481051 is about 12825.0166081764. The cubic root of 164481051 is about 547.9050342036.

The spelling of 164481051 in words is "one hundred sixty-four million, four hundred eighty-one thousand, fifty-one".

Divisors: 1 3 7 21 2713 2887 8139 8661 18991 20209 56973 60627 7832431 23497293 54827017 164481051