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149489484 = 22312457457
BaseRepresentation
bin10001110100100…
…00011101001100
3101102021212000120
420322100131030
5301232130414
622500024540
73463432254
oct1072203514
9342255016
10149489484
1177423731
1242092150
1324c80721
1415bd4964
15d1cd2a9
hex8e9074c

149489484 has 12 divisors (see below), whose sum is σ = 348808824. Its totient is φ = 49829824.

The previous prime is 149489477. The next prime is 149489507. The reversal of 149489484 is 484984941.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6228717 + ... + 6228740.

It is an arithmetic number, because the mean of its divisors is an integer number (29067402).

Almost surely, 2149489484 is an apocalyptic number.

It is an amenable number.

149489484 is an abundant number, since it is smaller than the sum of its proper divisors (199319340).

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

149489484 is a wasteful number, since it uses less digits than its factorization.

149489484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12457464 (or 12457462 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 149489484 is about 12226.5892218558. The cubic root of 149489484 is about 530.7258170039.

The spelling of 149489484 in words is "one hundred forty-nine million, four hundred eighty-nine thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 12 12457457 24914914 37372371 49829828 74744742 149489484