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137855473 = 732913859
BaseRepresentation
bin10000011011110…
…00000111110001
3100121101210011021
420031320013301
5240242333343
621402415441
73262516000
oct1015700761
9317353137
10137855473
11708a7948
123a201581
13227391b2
1414446c37
15c1810ed
hex83781f1

137855473 has 16 divisors (see below), whose sum is σ = 166320000. Its totient is φ = 114079056.

The previous prime is 137855467. The next prime is 137855503. The reversal of 137855473 is 374558731.

It is not a de Polignac number, because 137855473 - 25 = 137855441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137855413) 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 15 ways as a sum of consecutive naturals, for example, 3018 + ... + 16876.

It is an arithmetic number, because the mean of its divisors is an integer number (10395000).

Almost surely, 2137855473 is an apocalyptic number.

It is an amenable number.

137855473 is a deficient number, since it is larger than the sum of its proper divisors (28464527).

137855473 is an equidigital number, since it uses as much as digits as its factorization.

137855473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13909 (or 13895 counting only the distinct ones).

The product of its digits is 352800, while the sum is 43.

The square root of 137855473 is about 11741.1870353896. The cubic root of 137855473 is about 516.5844600854.

The spelling of 137855473 in words is "one hundred thirty-seven million, eight hundred fifty-five thousand, four hundred seventy-three".

Divisors: 1 7 29 49 203 343 1421 9947 13859 97013 401911 679091 2813377 4753637 19693639 137855473