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137069220 = 22352284487
BaseRepresentation
bin10000010101110…
…00001010100100
3100112220211121210
420022320022210
5240042203340
621333511420
73253032501
oct1012701244
9315824553
10137069220
1170410152
1239aa2570
1322522362
14142c04a8
15c078180
hex82b82a4

137069220 has 24 divisors (see below), whose sum is σ = 383793984. Its totient is φ = 36551776.

The previous prime is 137069159. The next prime is 137069239. The reversal of 137069220 is 22960731.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1142184 + ... + 1142303.

It is an arithmetic number, because the mean of its divisors is an integer number (15991416).

Almost surely, 2137069220 is an apocalyptic number.

137069220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137069220 is an abundant number, since it is smaller than the sum of its proper divisors (246724764).

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

137069220 is a wasteful number, since it uses less digits than its factorization.

137069220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2284499 (or 2284497 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 137069220 is about 11707.6564691658. The cubic root of 137069220 is about 515.6004809645.

The spelling of 137069220 in words is "one hundred thirty-seven million, sixty-nine thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2284487 4568974 6853461 9137948 11422435 13706922 22844870 27413844 34267305 45689740 68534610 137069220