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189712150 = 25219199697
BaseRepresentation
bin10110100111011…
…00011100010110
3111012222101010221
423103230130112
5342031242100
630454104554
74462345435
oct1323543426
9435871127
10189712150
11980a6601
125364b15a
13303c4714
141b2a511c
15119c601a
hexb4ec716

189712150 has 24 divisors (see below), whose sum is σ = 371438280. Its totient is φ = 71890560.

The previous prime is 189712147. The next prime is 189712153. The reversal of 189712150 is 51217981.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (189712147) and next prime (189712153).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189712153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98899 + ... + 100798.

It is an arithmetic number, because the mean of its divisors is an integer number (15476595).

Almost surely, 2189712150 is an apocalyptic number.

189712150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189712150 is a deficient number, since it is larger than the sum of its proper divisors (181726130).

189712150 is a wasteful number, since it uses less digits than its factorization.

189712150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199728 (or 199723 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 34.

The square root of 189712150 is about 13773.6033774753. The cubic root of 189712150 is about 574.5992418572.

The spelling of 189712150 in words is "one hundred eighty-nine million, seven hundred twelve thousand, one hundred fifty".

Divisors: 1 2 5 10 19 25 38 50 95 190 475 950 199697 399394 998485 1996970 3794243 4992425 7588486 9984850 18971215 37942430 94856075 189712150