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149018683 = 1123995647
BaseRepresentation
bin10001110000111…
…01100000111011
3101101101221012111
420320131200323
5301122044213
622441553151
73456431542
oct1070354073
9341357174
10149018683
1177131a40
1241aa57b7
1324b47348
1415b11159
15d138a3d
hex8e1d83b

149018683 has 8 divisors (see below), whose sum is σ = 162662400. Its totient is φ = 135391080.

The previous prime is 149018671. The next prime is 149018687. The reversal of 149018683 is 386810941.

149018683 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 not a de Polignac number, because 149018683 - 29 = 149018171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149018687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23566 + ... + 29212.

It is an arithmetic number, because the mean of its divisors is an integer number (20332800).

Almost surely, 2149018683 is an apocalyptic number.

149018683 is a deficient number, since it is larger than the sum of its proper divisors (13643717).

149018683 is a wasteful number, since it uses less digits than its factorization.

149018683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8057.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 149018683 is about 12207.3208772441. The cubic root of 149018683 is about 530.1680765138.

The spelling of 149018683 in words is "one hundred forty-nine million, eighteen thousand, six hundred eighty-three".

Divisors: 1 11 2399 5647 26389 62117 13547153 149018683