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149144170 = 2572130631
BaseRepresentation
bin10001110001111…
…00001001101010
3101101122022100011
420320330021222
5301140103140
622444402134
73460463440
oct1070741152
9341568304
10149144170
117720824a
1241b4634a
1324b8c4b6
1415b44b90
15d160cea
hex8e3c26a

149144170 has 16 divisors (see below), whose sum is σ = 306811008. Its totient is φ = 51135120.

The previous prime is 149144161. The next prime is 149144189. The reversal of 149144170 is 71441941.

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, 1065246 + ... + 1065385.

It is an arithmetic number, because the mean of its divisors is an integer number (19175688).

Almost surely, 2149144170 is an apocalyptic number.

149144170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149144170 is an abundant number, since it is smaller than the sum of its proper divisors (157666838).

149144170 is a wasteful number, since it uses less digits than its factorization.

149144170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130645.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 149144170 is about 12212.4596212229. The cubic root of 149144170 is about 530.3168510037.

The spelling of 149144170 in words is "one hundred forty-nine million, one hundred forty-four thousand, one hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 2130631 4261262 10653155 14914417 21306310 29828834 74572085 149144170