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149478908 = 2237369727
BaseRepresentation
bin10001110100011…
…01110111111100
3101102021022111212
420322031313330
5301231311113
622455503552
73463356365
oct1072156774
9342238455
10149478908
1177416797
1242087bb8
1324c78977
1415bd0b6c
15d1ca0a8
hex8e8ddfc

149478908 has 6 divisors (see below), whose sum is σ = 261588096. Its totient is φ = 74739452.

The previous prime is 149478899. The next prime is 149478911. The reversal of 149478908 is 809874941.

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 as a sum of consecutive naturals, namely, 18684860 + ... + 18684867.

It is an arithmetic number, because the mean of its divisors is an integer number (43598016).

Almost surely, 2149478908 is an apocalyptic number.

It is an amenable number.

149478908 is a deficient number, since it is larger than the sum of its proper divisors (112109188).

149478908 is a wasteful number, since it uses less digits than its factorization.

149478908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37369731 (or 37369729 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 149478908 is about 12226.1567141927. The cubic root of 149478908 is about 530.7133008758.

The spelling of 149478908 in words is "one hundred forty-nine million, four hundred seventy-eight thousand, nine hundred eight".

Divisors: 1 2 4 37369727 74739454 149478908