Search a number
-
+
137693020 = 22559116689
BaseRepresentation
bin10000011010100…
…00011101011100
3100121002112022111
420031100131130
5240222134040
621355123404
73261241243
oct1015203534
9317075274
10137693020
11707a6893
123a143564
13226b027a
141440395a
15c14cdea
hex835075c

137693020 has 24 divisors (see below), whose sum is σ = 294058800. Its totient is φ = 54143232.

The previous prime is 137693011. The next prime is 137693027. The reversal of 137693020 is 20396731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137693027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57165 + ... + 59524.

It is an arithmetic number, because the mean of its divisors is an integer number (12252450).

Almost surely, 2137693020 is an apocalyptic number.

137693020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137693020 is an abundant number, since it is smaller than the sum of its proper divisors (156365780).

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

137693020 is a wasteful number, since it uses less digits than its factorization.

137693020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116757 (or 116755 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 137693020 is about 11734.2669136167. The cubic root of 137693020 is about 516.3814608139.

The spelling of 137693020 in words is "one hundred thirty-seven million, six hundred ninety-three thousand, twenty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 116689 233378 466756 583445 1166890 2333780 6884651 13769302 27538604 34423255 68846510 137693020