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137070 = 23251523
BaseRepresentation
bin100001011101101110
320222000200
4201131232
513341240
62534330
71110423
oct413556
9228020
10137070
1193a8a
12673a6
134a50b
1437d4a
152a930
hex2176e

137070 has 24 divisors (see below), whose sum is σ = 356616. Its totient is φ = 36528.

The previous prime is 137029. The next prime is 137077. The reversal of 137070 is 70731.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137077) 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, 672 + ... + 851.

It is an arithmetic number, because the mean of its divisors is an integer number (14859).

2137070 is an apocalyptic number.

137070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137070 is an abundant number, since it is smaller than the sum of its proper divisors (219546).

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

137070 is a wasteful number, since it uses less digits than its factorization.

137070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536 (or 1533 counting only the distinct ones).

The product of its (nonzero) digits is 147, while the sum is 18.

The square root of 137070 is about 370.2296584554. The cubic root of 137070 is about 51.5601458980.

The spelling of 137070 in words is "one hundred thirty-seven thousand, seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1523 3046 4569 7615 9138 13707 15230 22845 27414 45690 68535 137070