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149183285 = 529836657
BaseRepresentation
bin10001110010001…
…01101100110101
3101101201021222212
420321011230311
5301142331120
622445303205
73461015456
oct1071055465
9341637885
10149183285
1177234679
1241b64b05
1324ba4244
1415b5512d
15d16c6c5
hex8e45b35

149183285 has 4 divisors (see below), whose sum is σ = 179019948. Its totient is φ = 119346624.

The previous prime is 149183233. The next prime is 149183291. The reversal of 149183285 is 582381941.

149183285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99720196 + 49463089 = 9986^2 + 7033^2 .

It is a cyclic number.

It is not a de Polignac number, because 149183285 - 212 = 149179189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14918324 + ... + 14918333.

It is an arithmetic number, because the mean of its divisors is an integer number (44754987).

Almost surely, 2149183285 is an apocalyptic number.

It is an amenable number.

149183285 is a deficient number, since it is larger than the sum of its proper divisors (29836663).

149183285 is an equidigital number, since it uses as much as digits as its factorization.

149183285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29836662.

The product of its digits is 69120, while the sum is 41.

The square root of 149183285 is about 12214.0609544901. The cubic root of 149183285 is about 530.3632077839.

The spelling of 149183285 in words is "one hundred forty-nine million, one hundred eighty-three thousand, two hundred eighty-five".

Divisors: 1 5 29836657 149183285