Search a number
-
+
137670040 = 23514923099
BaseRepresentation
bin10000011010010…
…10110110011000
3100121001100210101
420031022312120
5240220420130
621354425144
73261114244
oct1015126630
9317040711
10137670040
11707905a2
123a1321b4
13226a2981
14143d9424
15c1461ca
hex834ad98

137670040 has 32 divisors (see below), whose sum is σ = 311850000. Its totient is φ = 54696064.

The previous prime is 137670037. The next prime is 137670073. The reversal of 137670040 is 40076731.

It is a junction number, because it is equal to n+sod(n) for n = 137669990 and 137670008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5590 + ... + 17509.

Almost surely, 2137670040 is an apocalyptic number.

137670040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137670040 is an abundant number, since it is smaller than the sum of its proper divisors (174179960).

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

137670040 is a wasteful number, since it uses less digits than its factorization.

137670040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23259 (or 23255 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 137670040 is about 11733.2876893052. The cubic root of 137670040 is about 516.3527324001.

The spelling of 137670040 in words is "one hundred thirty-seven million, six hundred seventy thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 149 298 596 745 1192 1490 2980 5960 23099 46198 92396 115495 184792 230990 461980 923960 3441751 6883502 13767004 17208755 27534008 34417510 68835020 137670040