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137970500 = 2253275941
BaseRepresentation
bin10000011100101…
…00001101000100
3100121121121221112
420032110031010
5240310024000
621405104152
73263505233
oct1016241504
9317547845
10137970500
1170976308
123a258058
1322779665
1414476b1a
15c1a5235
hex8394344

137970500 has 24 divisors (see below), whose sum is σ = 301328664. Its totient is φ = 55188000.

The previous prime is 137970499. The next prime is 137970523. The reversal of 137970500 is 5079731.

It can be written as a sum of positive squares in 4 ways, for example, as 17322244 + 120648256 = 4162^2 + 10984^2 .

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, 137471 + ... + 138470.

It is an arithmetic number, because the mean of its divisors is an integer number (12555361).

Almost surely, 2137970500 is an apocalyptic number.

137970500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137970500 is an abundant number, since it is smaller than the sum of its proper divisors (163358164).

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

137970500 is a wasteful number, since it uses less digits than its factorization.

137970500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275960 (or 275948 counting only the distinct ones).

The product of its (nonzero) digits is 6615, while the sum is 32.

The square root of 137970500 is about 11746.0844539787. The cubic root of 137970500 is about 516.7280999907.

The spelling of 137970500 in words is "one hundred thirty-seven million, nine hundred seventy thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 275941 551882 1103764 1379705 2759410 5518820 6898525 13797050 27594100 34492625 68985250 137970500