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149564080 = 2451869551
BaseRepresentation
bin10001110101000…
…10101010110000
3101102102122100101
420322202222300
5301242022310
622501402144
73464162611
oct1072425260
9342378311
10149564080
1177474786
1242109354
1324ca8673
1415c13c08
15d1e543a
hex8ea2ab0

149564080 has 20 divisors (see below), whose sum is σ = 347736672. Its totient is φ = 59825600.

The previous prime is 149564071. The next prime is 149564111. The reversal of 149564080 is 80465941.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

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, 934696 + ... + 934855.

Almost surely, 2149564080 is an apocalyptic number.

149564080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149564080 is an abundant number, since it is smaller than the sum of its proper divisors (198172592).

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

149564080 is a wasteful number, since it uses less digits than its factorization.

149564080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869564 (or 1869558 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 149564080 is about 12229.6394059678. The cubic root of 149564080 is about 530.8140806031.

The spelling of 149564080 in words is "one hundred forty-nine million, five hundred sixty-four thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1869551 3739102 7478204 9347755 14956408 18695510 29912816 37391020 74782040 149564080