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149542085 = 5711235311
BaseRepresentation
bin10001110100111…
…01010011000101
3101102101112011202
420322131103011
5301240321320
622501112245
73464041520
oct1072352305
9342345152
10149542085
117745a200
12420b8685
1324c9b654
1415c09bb7
15d1ddb75
hex8e9d4c5

149542085 has 24 divisors (see below), whose sum is σ = 225431808. Its totient is φ = 93218400.

The previous prime is 149542073. The next prime is 149542091. The reversal of 149542085 is 580245941.

149542085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149542085 - 28 = 149541829 is a prime.

It is a super-2 number, since 2×1495420852 = 44725670372294450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13421 + ... + 21890.

It is an arithmetic number, because the mean of its divisors is an integer number (9392992).

Almost surely, 2149542085 is an apocalyptic number.

It is an amenable number.

149542085 is a deficient number, since it is larger than the sum of its proper divisors (75889723).

149542085 is a wasteful number, since it uses less digits than its factorization.

149542085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35345 (or 35334 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 149542085 is about 12228.7401231689. The cubic root of 149542085 is about 530.7880586953.

The spelling of 149542085 in words is "one hundred forty-nine million, five hundred forty-two thousand, eighty-five".

Divisors: 1 5 7 11 35 55 77 121 385 605 847 4235 35311 176555 247177 388421 1235885 1942105 2718947 4272631 13594735 21363155 29908417 149542085