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149368080 = 2435622367
BaseRepresentation
bin10001110011100…
…10110100010000
3101102001200111010
420321302310100
5301214234310
622453250520
73462415311
oct1071626420
9342050433
10149368080
11773504a4
1242033a40
1324c3a3a4
1415ba2608
15d1a7320
hex8e72d10

149368080 has 40 divisors (see below), whose sum is σ = 463041792. Its totient is φ = 39831424.

The previous prime is 149368061. The next prime is 149368091. The reversal of 149368080 is 80863941.

It is a tau number, because it is divible by the number of its divisors (40).

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, 310944 + ... + 311423.

Almost surely, 2149368080 is an apocalyptic number.

149368080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149368080 is an abundant number, since it is smaller than the sum of its proper divisors (313673712).

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

149368080 is a wasteful number, since it uses less digits than its factorization.

149368080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622383 (or 622377 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 149368080 is about 12221.6234600809. The cubic root of 149368080 is about 530.5821063661.

The spelling of 149368080 in words is "one hundred forty-nine million, three hundred sixty-eight thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 622367 1244734 1867101 2489468 3111835 3734202 4978936 6223670 7468404 9335505 9957872 12447340 14936808 18671010 24894680 29873616 37342020 49789360 74684040 149368080