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149938995 = 3523342901
BaseRepresentation
bin10001110111111…
…10001100110011
3101110010200122010
420323332030303
5301341021440
622513414003
73500313633
oct1073761463
9343120563
10149938995
1177700428
124226a303
13250aa1cb
1415cb06c3
15d26b580
hex8efe333

149938995 has 16 divisors (see below), whose sum is σ = 240937632. Its totient is φ = 79622400.

The previous prime is 149938981. The next prime is 149939003. The reversal of 149938995 is 599839941.

It is not a de Polignac number, because 149938995 - 26 = 149938931 is a prime.

It is a super-2 number, since 2×1499389952 = 44963404443220050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17956 + ... + 24945.

It is an arithmetic number, because the mean of its divisors is an integer number (15058602).

Almost surely, 2149938995 is an apocalyptic number.

149938995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

149938995 is a deficient number, since it is larger than the sum of its proper divisors (90998637).

149938995 is a wasteful number, since it uses less digits than its factorization.

149938995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43142.

The product of its digits is 3149280, while the sum is 57.

The square root of 149938995 is about 12244.9579419449. The cubic root of 149938995 is about 531.2572442841.

The spelling of 149938995 in words is "one hundred forty-nine million, nine hundred thirty-eight thousand, nine hundred ninety-five".

Divisors: 1 3 5 15 233 699 1165 3495 42901 128703 214505 643515 9995933 29987799 49979665 149938995