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164471394 = 2344961051
BaseRepresentation
bin10011100110110…
…10001001100010
3102110111000100010
421303122021202
5314101041034
624153105350
74034661303
oct1163321142
9373430303
10164471394
118492687a
12470b8256
13280c7a69
1417bb47aa
15e68c3e9
hex9cda262

164471394 has 16 divisors (see below), whose sum is σ = 329680800. Its totient is φ = 54700800.

The previous prime is 164471369. The next prime is 164471423. The reversal of 164471394 is 493174461.

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, 27832 + ... + 33219.

It is an arithmetic number, because the mean of its divisors is an integer number (20605050).

Almost surely, 2164471394 is an apocalyptic number.

164471394 is an abundant number, since it is smaller than the sum of its proper divisors (165209406).

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

164471394 is a wasteful number, since it uses less digits than its factorization.

164471394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61505.

The product of its digits is 72576, while the sum is 39.

The square root of 164471394 is about 12824.6401119096. The cubic root of 164471394 is about 547.8943111397.

The spelling of 164471394 in words is "one hundred sixty-four million, four hundred seventy-one thousand, three hundred ninety-four".

Divisors: 1 2 3 6 449 898 1347 2694 61051 122102 183153 366306 27411899 54823798 82235697 164471394