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149065361 = 1271173743
BaseRepresentation
bin10001110001010…
…00111010010001
3101101111022020022
420320220322101
5301130042421
622442553225
73460014614
oct1070507221
9341438208
10149065361
1177164015
1241b08815
1324b62673
1415b2417b
15d1477ab
hex8e28e91

149065361 has 4 divisors (see below), whose sum is σ = 150239232. Its totient is φ = 147891492.

The previous prime is 149065351. The next prime is 149065363. The reversal of 149065361 is 163560941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 149065361 - 26 = 149065297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149065363) 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, 586745 + ... + 586998.

It is an arithmetic number, because the mean of its divisors is an integer number (37559808).

Almost surely, 2149065361 is an apocalyptic number.

It is an amenable number.

149065361 is a deficient number, since it is larger than the sum of its proper divisors (1173871).

149065361 is a wasteful number, since it uses less digits than its factorization.

149065361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173870.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 149065361 is about 12209.2326130679. The cubic root of 149065361 is about 530.2234266250.

The spelling of 149065361 in words is "one hundred forty-nine million, sixty-five thousand, three hundred sixty-one".

Divisors: 1 127 1173743 149065361