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164939050 = 25210332027
BaseRepresentation
bin10011101010011…
…00010100101010
3102111100202211201
421311030110222
5314211022200
624211114414
74041646603
oct1165142452
9374322751
10164939050
1185116171
12472a2a0a
132822c893
1417c96daa
15e730c6a
hex9d4c52a

164939050 has 24 divisors (see below), whose sum is σ = 309774816. Its totient is φ = 65333040.

The previous prime is 164939039. The next prime is 164939101. The reversal of 164939050 is 50939461.

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 11 ways as a sum of consecutive naturals, for example, 10864 + ... + 21163.

It is an arithmetic number, because the mean of its divisors is an integer number (12907284).

Almost surely, 2164939050 is an apocalyptic number.

164939050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164939050 is a deficient number, since it is larger than the sum of its proper divisors (144835766).

164939050 is a wasteful number, since it uses less digits than its factorization.

164939050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32142 (or 32137 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 164939050 is about 12842.8598839978. The cubic root of 164939050 is about 548.4131117826.

The spelling of 164939050 in words is "one hundred sixty-four million, nine hundred thirty-nine thousand, fifty".

Divisors: 1 2 5 10 25 50 103 206 515 1030 2575 5150 32027 64054 160135 320270 800675 1601350 3298781 6597562 16493905 32987810 82469525 164939050