Search a number
-
+
137869968 = 2432872291
BaseRepresentation
bin10000011011110…
…11101010010000
3100121102112001010
420031323222100
5240243314333
621403010520
73262606155
oct1015735220
9317375033
10137869968
1170907825
123a209a40
1322742982
141444c22c
15c185563
hex837ba90

137869968 has 20 divisors (see below), whose sum is σ = 356164208. Its totient is φ = 45956640.

The previous prime is 137869951. The next prime is 137869969. The reversal of 137869968 is 869968731.

It is not an unprimeable number, because it can be changed into a prime (137869969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1436098 + ... + 1436193.

Almost surely, 2137869968 is an apocalyptic number.

It is an amenable number.

137869968 is an abundant number, since it is smaller than the sum of its proper divisors (218294240).

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

137869968 is a wasteful number, since it uses less digits than its factorization.

137869968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872302 (or 2872296 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 57.

The square root of 137869968 is about 11741.8042906531. The cubic root of 137869968 is about 516.6025651079.

The spelling of 137869968 in words is "one hundred thirty-seven million, eight hundred sixty-nine thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 2872291 5744582 8616873 11489164 17233746 22978328 34467492 45956656 68934984 137869968