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149107518 = 23271183393
BaseRepresentation
bin10001110001100…
…11001100111110
3101101120110001200
420320303030332
5301132420033
622443520330
73460251540
oct1070631476
9341513050
10149107518
117719275a
1241b290a6
1324b78901
1415b35690
15d155013
hex8e3333e

149107518 has 24 divisors (see below), whose sum is σ = 369218928. Its totient is φ = 42602112.

The previous prime is 149107513. The next prime is 149107549. The reversal of 149107518 is 815701941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149107513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 591571 + ... + 591822.

It is an arithmetic number, because the mean of its divisors is an integer number (15384122).

Almost surely, 2149107518 is an apocalyptic number.

149107518 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

149107518 is an abundant number, since it is smaller than the sum of its proper divisors (220111410).

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

149107518 is a wasteful number, since it uses less digits than its factorization.

149107518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183408 (or 1183405 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The square root of 149107518 is about 12210.9589304035. The cubic root of 149107518 is about 530.2734058690.

The spelling of 149107518 in words is "one hundred forty-nine million, one hundred seven thousand, five hundred eighteen".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 1183393 2366786 3550179 7100358 8283751 10650537 16567502 21301074 24851253 49702506 74553759 149107518