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149693792 = 2531150901
BaseRepresentation
bin10001110110000…
…10010101100000
3101102200020021112
420323002111200
5301310200132
622504242452
73465243023
oct1073022540
9342606245
10149693792
1177553186
1242170428
1325022711
1415c491ba
15d21dab2
hex8ec2560

149693792 has 24 divisors (see below), whose sum is σ = 304218432. Its totient is φ = 72432000.

The previous prime is 149693777. The next prime is 149693801. The reversal of 149693792 is 297396941.

It is a self number, because there is not a number n which added to its sum of digits gives 149693792.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74459 + ... + 76442.

It is an arithmetic number, because the mean of its divisors is an integer number (12675768).

Almost surely, 2149693792 is an apocalyptic number.

It is an amenable number.

149693792 is an abundant number, since it is smaller than the sum of its proper divisors (154524640).

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

149693792 is a wasteful number, since it uses less digits than its factorization.

149693792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150942 (or 150934 counting only the distinct ones).

The product of its digits is 734832, while the sum is 50.

The square root of 149693792 is about 12234.9414383560. The cubic root of 149693792 is about 530.9674887854.

The spelling of 149693792 in words is "one hundred forty-nine million, six hundred ninety-three thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 150901 301802 603604 1207208 2414416 4677931 4828832 9355862 18711724 37423448 74846896 149693792