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164019345 = 3571562089
BaseRepresentation
bin10011100011010…
…11110010010001
3102102122001020120
421301223302101
5313442104340
624135300453
74031066340
oct1161536221
9372561216
10164019345
1184648186
1246b1a729
1327c9a089
1417ad7b57
15e5ed4d0
hex9c6bc91

164019345 has 16 divisors (see below), whose sum is σ = 299921280. Its totient is φ = 74980224.

The previous prime is 164019307. The next prime is 164019377. The reversal of 164019345 is 543910461.

164019345 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 164019345 - 210 = 164018321 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 780940 + ... + 781149.

It is an arithmetic number, because the mean of its divisors is an integer number (18745080).

Almost surely, 2164019345 is an apocalyptic number.

164019345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164019345 is a deficient number, since it is larger than the sum of its proper divisors (135901935).

164019345 is a wasteful number, since it uses less digits than its factorization.

164019345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562104.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 164019345 is about 12807.0037479498. The cubic root of 164019345 is about 547.3918887470.

The spelling of 164019345 in words is "one hundred sixty-four million, nineteen thousand, three hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 1562089 4686267 7810445 10934623 23431335 32803869 54673115 164019345