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149692900 = 22527213847
BaseRepresentation
bin10001110110000…
…10000111100100
3101102200012001111
420323002013210
5301310133100
622504234404
73465240310
oct1073020744
9342605044
10149692900
1177552545
124216ba04
13250221a6
1415c48b40
15d21d6ba
hex8ec21e4

149692900 has 36 divisors (see below), whose sum is σ = 371240128. Its totient is φ = 51323040.

The previous prime is 149692891. The next prime is 149692919. The reversal of 149692900 is 9296941.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106224 + ... + 107623.

Almost surely, 2149692900 is an apocalyptic number.

149692900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149692900 is an abundant number, since it is smaller than the sum of its proper divisors (221547228).

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

149692900 is a wasteful number, since it uses less digits than its factorization.

149692900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213868 (or 213861 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 149692900 is about 12234.9049853278. The cubic root of 149692900 is about 530.9664341348.

The spelling of 149692900 in words is "one hundred forty-nine million, six hundred ninety-two thousand, nine hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 213847 427694 855388 1069235 1496929 2138470 2993858 4276940 5346175 5987716 7484645 10692350 14969290 21384700 29938580 37423225 74846450 149692900