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149970175 = 52171672113
BaseRepresentation
bin10001111000001…
…01110011111111
3101110012021101221
420330011303333
5301343021200
622514214211
73500503555
oct1074056377
9343167357
10149970175
11777218a3
1242284367
13250bb464
1415cbbbd5
15d27591a
hex8f05cff

149970175 has 24 divisors (see below), whose sum is σ = 198174816. Its totient is φ = 112189440.

The previous prime is 149970167. The next prime is 149970193. The reversal of 149970175 is 571079941.

It is not a de Polignac number, because 149970175 - 23 = 149970167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69919 + ... + 72031.

It is an arithmetic number, because the mean of its divisors is an integer number (8257284).

Almost surely, 2149970175 is an apocalyptic number.

149970175 is a deficient number, since it is larger than the sum of its proper divisors (48204641).

149970175 is a wasteful number, since it uses less digits than its factorization.

149970175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307 (or 2302 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 43.

The square root of 149970175 is about 12246.2310528587. The cubic root of 149970175 is about 531.2940669328.

The spelling of 149970175 in words is "one hundred forty-nine million, nine hundred seventy thousand, one hundred seventy-five".

Divisors: 1 5 17 25 85 167 425 835 2113 2839 4175 10565 14195 35921 52825 70975 179605 352871 898025 1764355 5998807 8821775 29994035 149970175