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149467928 = 2318683491
BaseRepresentation
bin10001110100010…
…11001100011000
3101102020202110012
420322023030120
5301230433203
622455341052
73463312361
oct1072131430
9342222405
10149467928
1177409515
1242081788
1324c7397c
1415bcab68
15d1c6bd8
hex8e8b318

149467928 has 8 divisors (see below), whose sum is σ = 280252380. Its totient is φ = 74733960.

The previous prime is 149467909. The next prime is 149467937. The reversal of 149467928 is 829764941.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1494679282 = 44681323001226368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9341738 + ... + 9341753.

Almost surely, 2149467928 is an apocalyptic number.

It is an amenable number.

149467928 is a deficient number, since it is larger than the sum of its proper divisors (130784452).

149467928 is a wasteful number, since it uses less digits than its factorization.

149467928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18683497 (or 18683493 counting only the distinct ones).

The product of its digits is 870912, while the sum is 50.

The square root of 149467928 is about 12225.7076686791. The cubic root of 149467928 is about 530.7003060107.

The spelling of 149467928 in words is "one hundred forty-nine million, four hundred sixty-seven thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 18683491 37366982 74733964 149467928