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149417128 = 2372668163
BaseRepresentation
bin10001110011111…
…10110010101000
3101102011011202201
420321332302220
5301222322003
622454305544
73463011310
oct1071766250
9342134681
10149417128
1177384333
12420582b4
1324c56803
1415bb6440
15d1b6b1d
hex8e7eca8

149417128 has 16 divisors (see below), whose sum is σ = 320179680. Its totient is φ = 64035888.

The previous prime is 149417119. The next prime is 149417141. The reversal of 149417128 is 821714941.

149417128 is nontrivially palindromic in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1334026 + ... + 1334137.

It is an arithmetic number, because the mean of its divisors is an integer number (20011230).

Almost surely, 2149417128 is an apocalyptic number.

It is an amenable number.

149417128 is an abundant number, since it is smaller than the sum of its proper divisors (170762552).

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

149417128 is a wasteful number, since it uses less digits than its factorization.

149417128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668176 (or 2668172 counting only the distinct ones).

The product of its digits is 16128, while the sum is 37.

The square root of 149417128 is about 12223.6299027744. The cubic root of 149417128 is about 530.6401757635.

The spelling of 149417128 in words is "one hundred forty-nine million, four hundred seventeen thousand, one hundred twenty-eight".

Divisors: 1 2 4 7 8 14 28 56 2668163 5336326 10672652 18677141 21345304 37354282 74708564 149417128