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149171106 = 2375236791
BaseRepresentation
bin10001110010000…
…10101110100010
3101101200200021210
420321002232202
5301141433411
622445130550
73460635120
oct1071025642
9341620253
10149171106
1177226507
1241b59a56
1324b9b836
1415b50910
15d168ca6
hex8e42ba2

149171106 has 32 divisors (see below), whose sum is σ = 341664768. Its totient is φ = 42532560.

The previous prime is 149171081. The next prime is 149171119. The reversal of 149171106 is 601171941.

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, 18571 + ... + 25361.

It is an arithmetic number, because the mean of its divisors is an integer number (10677024).

Almost surely, 2149171106 is an apocalyptic number.

149171106 is an abundant number, since it is smaller than the sum of its proper divisors (192493662).

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

149171106 is a wasteful number, since it uses less digits than its factorization.

149171106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7326.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 149171106 is about 12213.5623795844. The cubic root of 149171106 is about 530.3487748236.

The spelling of 149171106 in words is "one hundred forty-nine million, one hundred seventy-one thousand, one hundred six".

Divisors: 1 2 3 6 7 14 21 42 523 1046 1569 3138 3661 6791 7322 10983 13582 20373 21966 40746 47537 95074 142611 285222 3551693 7103386 10655079 21310158 24861851 49723702 74585553 149171106