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149557984 = 2513135677
BaseRepresentation
bin10001110101000…
…01001011100000
3101102102022222121
420322201023200
5301241323414
622501314024
73464136052
oct1072411340
9342368877
10149557984
1177470144
1242105914
1324ca5964
1415c118d2
15d1e3724
hex8ea12e0

149557984 has 24 divisors (see below), whose sum is σ = 296698248. Its totient is φ = 74206080.

The previous prime is 149557939. The next prime is 149558011. The reversal of 149557984 is 489755941.

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, 13647 + ... + 22030.

It is an arithmetic number, because the mean of its divisors is an integer number (12362427).

Almost surely, 2149557984 is an apocalyptic number.

It is an amenable number.

149557984 is a deficient number, since it is larger than the sum of its proper divisors (147140264).

149557984 is a wasteful number, since it uses less digits than its factorization.

149557984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35818 (or 35810 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 52.

The square root of 149557984 is about 12229.3901728582. The cubic root of 149557984 is about 530.8068687854.

The spelling of 149557984 in words is "one hundred forty-nine million, five hundred fifty-seven thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 32 131 262 524 1048 2096 4192 35677 71354 142708 285416 570832 1141664 4673687 9347374 18694748 37389496 74778992 149557984