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149542080 = 2635155773
BaseRepresentation
bin10001110100111…
…01010011000000
3101102101112011120
420322131103000
5301240321310
622501112240
73464041512
oct1072352300
9342345146
10149542080
117745a1a6
12420b8680
1324c9b64c
1415c09bb2
15d1ddb70
hex8e9d4c0

149542080 has 56 divisors (see below), whose sum is σ = 474799152. Its totient is φ = 39877632.

The previous prime is 149542073. The next prime is 149542091. The reversal of 149542080 is 80245941.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76927 + ... + 78846.

Almost surely, 2149542080 is an apocalyptic number.

149542080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149542080 is an abundant number, since it is smaller than the sum of its proper divisors (325257072).

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

149542080 is a wasteful number, since it uses less digits than its factorization.

149542080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155793 (or 155783 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 149542080 is about 12228.7399187324. The cubic root of 149542080 is about 530.7880527796.

The spelling of 149542080 in words is "one hundred forty-nine million, five hundred forty-two thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 155773 311546 467319 623092 778865 934638 1246184 1557730 1869276 2336595 2492368 3115460 3738552 4673190 4984736 6230920 7477104 9346380 9969472 12461840 14954208 18692760 24923680 29908416 37385520 49847360 74771040 149542080