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137072160 = 2532595189
BaseRepresentation
bin10000010101110…
…00111000100000
3100112220222122200
420022320320200
5240042302120
621333533200
73253044201
oct1012707040
9315828580
10137072160
1170412385
1239aa4200
13225237b4
14142c15a8
15c078e90
hex82b8e20

137072160 has 72 divisors (see below), whose sum is σ = 467763660. Its totient is φ = 36552192.

The previous prime is 137072113. The next prime is 137072167. The reversal of 137072160 is 61270731.

It can be written as a sum of positive squares in 2 ways, for example, as 130782096 + 6290064 = 11436^2 + 2508^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (137072167) 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, 46155 + ... + 49034.

Almost surely, 2137072160 is an apocalyptic number.

137072160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137072160 is an abundant number, since it is smaller than the sum of its proper divisors (330691500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137072160 is a wasteful number, since it uses less digits than its factorization.

137072160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95210 (or 95199 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 137072160 is about 11707.7820273526. The cubic root of 137072160 is about 515.6041673126.

The spelling of 137072160 in words is "one hundred thirty-seven million, seventy-two thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 95189 190378 285567 380756 475945 571134 761512 856701 951890 1142268 1427835 1523024 1713402 1903780 2284536 2855670 3046048 3426804 3807560 4283505 4569072 5711340 6853608 7615120 8567010 9138144 11422680 13707216 15230240 17134020 22845360 27414432 34268040 45690720 68536080 137072160