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149546430 = 232511151057
BaseRepresentation
bin10001110100111…
…10010110111110
3101102101202010200
420322132112332
5301240441210
622501144330
73464060265
oct1072362676
9342352120
10149546430
11774624a0
12420bb0a6
1324ca0617
1415c0b5dc
15d1e00c0
hex8e9e5be

149546430 has 48 divisors (see below), whose sum is σ = 424170864. Its totient is φ = 36253440.

The previous prime is 149546429. The next prime is 149546477. The reversal of 149546430 is 34645941.

149546430 is a `hidden beast` number, since 1 + 4 + 9 + 5 + 4 + 643 + 0 = 666.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 74539 + ... + 76518.

It is an arithmetic number, because the mean of its divisors is an integer number (8836893).

Almost surely, 2149546430 is an apocalyptic number.

149546430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149546430 is an abundant number, since it is smaller than the sum of its proper divisors (274624434).

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

149546430 is a wasteful number, since it uses less digits than its factorization.

149546430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151081 (or 151078 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 149546430 is about 12228.9177771379. The cubic root of 149546430 is about 530.7931993926.

The spelling of 149546430 in words is "one hundred forty-nine million, five hundred forty-six thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 151057 302114 453171 755285 906342 1359513 1510570 1661627 2265855 2719026 3323254 4531710 4984881 6797565 8308135 9969762 13595130 14954643 16616270 24924405 29909286 49848810 74773215 149546430