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149254308 = 223271394261
BaseRepresentation
bin10001110010101…
…11000010100100
3101101211220102100
420321113002210
5301202114213
622451012100
73461432520
oct1071270244
9341756370
10149254308
1177282a75
1241b9a030
1324bca678
1415b72d80
15d183773
hex8e570a4

149254308 has 72 divisors (see below), whose sum is σ = 434383040. Its totient is φ = 42327360.

The previous prime is 149254297. The next prime is 149254327. The reversal of 149254308 is 803452941.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32898 + ... + 37158.

Almost surely, 2149254308 is an apocalyptic number.

149254308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149254308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217191520).

149254308 is an abundant number, since it is smaller than the sum of its proper divisors (285128732).

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

149254308 is a wasteful number, since it uses less digits than its factorization.

149254308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4417 (or 4412 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 149254308 is about 12216.9680363010. The cubic root of 149254308 is about 530.4473593250.

The spelling of 149254308 in words is "one hundred forty-nine million, two hundred fifty-four thousand, three hundred eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 139 252 278 417 556 834 973 1251 1668 1946 2502 2919 3892 4261 5004 5838 8522 8757 11676 12783 17044 17514 25566 29827 35028 38349 51132 59654 76698 89481 119308 153396 178962 268443 357924 536886 592279 1073772 1184558 1776837 2369116 3553674 4145953 5330511 7107348 8291906 10661022 12437859 16583812 21322044 24875718 37313577 49751436 74627154 149254308