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BaseRepresentation
bin10001110010000…
…10011110100000
3101101200121212210
420321002132200
5301141420310
622445122120
73460632123
oct1071023640
9341617783
10149170080
1177225764
1241b59340
1324b9b227
1415b503ba
15d168820
hex8e427a0

149170080 has 48 divisors (see below), whose sum is σ = 469887264. Its totient is φ = 39778560.

The previous prime is 149170069. The next prime is 149170117. The reversal of 149170080 is 80071941.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154906 + ... + 155865.

It is an arithmetic number, because the mean of its divisors is an integer number (9789318).

Almost surely, 2149170080 is an apocalyptic number.

149170080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149170080 is an abundant number, since it is smaller than the sum of its proper divisors (320717184).

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

149170080 is a wasteful number, since it uses less digits than its factorization.

149170080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310789 (or 310781 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 149170080 is about 12213.5203770248. The cubic root of 149170080 is about 530.3475589065.

The spelling of 149170080 in words is "one hundred forty-nine million, one hundred seventy thousand, eighty".