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164383899 = 3537391399
BaseRepresentation
bin10011100110001…
…00110010011011
3102110022120022120
421303010302123
5314040241044
624151152323
74034145231
oct1163046233
9373276276
10164383899
1184877069
12470756a3
1328096ca4
1417b90951
15e671519
hex9cc4c9b

164383899 has 16 divisors (see below), whose sum is σ = 223776000. Its totient is φ = 107299296.

The previous prime is 164383873. The next prime is 164383927. The reversal of 164383899 is 998383461.

164383899 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 164383899 - 27 = 164383771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164383819) 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, 116802 + ... + 118200.

It is an arithmetic number, because the mean of its divisors is an integer number (13986000).

Almost surely, 2164383899 is an apocalyptic number.

164383899 is a deficient number, since it is larger than the sum of its proper divisors (59392101).

164383899 is a wasteful number, since it uses less digits than its factorization.

164383899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194.

The product of its digits is 1119744, while the sum is 51.

The square root of 164383899 is about 12821.2284512834. The cubic root of 164383899 is about 547.7971381810.

The spelling of 164383899 in words is "one hundred sixty-four million, three hundred eighty-three thousand, eight hundred ninety-nine".

Divisors: 1 3 53 159 739 1399 2217 4197 39167 74147 117501 222441 1033861 3101583 54794633 164383899