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149707918 = 2292581171
BaseRepresentation
bin10001110110001…
…01110010001110
3101102200221122201
420323011302032
5301311123133
622504432114
73465332143
oct1073056216
9342627581
10149707918
1177562858
124217863a
1325028c89
1415c503ca
15d222d7d
hex8ec5c8e

149707918 has 8 divisors (see below), whose sum is σ = 232305480. Its totient is φ = 72272760.

The previous prime is 149707913. The next prime is 149707931. The reversal of 149707918 is 819707941.

149707918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149707913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1290528 + ... + 1290643.

It is an arithmetic number, because the mean of its divisors is an integer number (29038185).

Almost surely, 2149707918 is an apocalyptic number.

149707918 is a deficient number, since it is larger than the sum of its proper divisors (82597562).

149707918 is a wasteful number, since it uses less digits than its factorization.

149707918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581202.

The product of its (nonzero) digits is 127008, while the sum is 46.

The square root of 149707918 is about 12235.5187058007. The cubic root of 149707918 is about 530.9841900143.

The spelling of 149707918 in words is "one hundred forty-nine million, seven hundred seven thousand, nine hundred eighteen".

Divisors: 1 2 29 58 2581171 5162342 74853959 149707918