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149797384 = 23111702243
BaseRepresentation
bin10001110110110…
…11101000001000
3101102212111101021
420323123220020
5301322004014
622510402224
73466154032
oct1073335010
9342774337
10149797384
1177613aa0
1242200374
132505a909
1415c74c52
15d23e624
hex8edba08

149797384 has 16 divisors (see below), whose sum is σ = 306403920. Its totient is φ = 68089680.

The previous prime is 149797369. The next prime is 149797393. The reversal of 149797384 is 483797941.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851034 + ... + 851209.

It is an arithmetic number, because the mean of its divisors is an integer number (19150245).

Almost surely, 2149797384 is an apocalyptic number.

It is an amenable number.

149797384 is an abundant number, since it is smaller than the sum of its proper divisors (156606536).

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

149797384 is a wasteful number, since it uses less digits than its factorization.

149797384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702260 (or 1702256 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 52.

The square root of 149797384 is about 12239.1741551463. The cubic root of 149797384 is about 531.0899416500.

The spelling of 149797384 in words is "one hundred forty-nine million, seven hundred ninety-seven thousand, three hundred eighty-four".

Divisors: 1 2 4 8 11 22 44 88 1702243 3404486 6808972 13617944 18724673 37449346 74898692 149797384