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137780229 = 3199832459
BaseRepresentation
bin10000011011001…
…01110000000101
3100121020221221110
420031211300011
5240232431404
621401035233
73262053426
oct1015456005
9317227843
10137780229
1170856364
123a185b19
1322710b82
141442764d
15c168b89
hex8365c05

137780229 has 16 divisors (see below), whose sum is σ = 193651200. Its totient is φ = 86895216.

The previous prime is 137780219. The next prime is 137780243. The reversal of 137780229 is 922087731.

It is not a de Polignac number, because 137780229 - 215 = 137747461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137780219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54802 + ... + 57260.

It is an arithmetic number, because the mean of its divisors is an integer number (12103200).

Almost surely, 2137780229 is an apocalyptic number.

137780229 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

137780229 is a deficient number, since it is larger than the sum of its proper divisors (55870971).

137780229 is a wasteful number, since it uses less digits than its factorization.

137780229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 137780229 is about 11737.9823223585. The cubic root of 137780229 is about 516.4904559462.

The spelling of 137780229 in words is "one hundred thirty-seven million, seven hundred eighty thousand, two hundred twenty-nine".

Divisors: 1 3 19 57 983 2459 2949 7377 18677 46721 56031 140163 2417197 7251591 45926743 137780229