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137348140 = 2256867407
BaseRepresentation
bin10000010111111…
…00010000101100
3100120110000020011
420023330100230
5240130120030
621343503004
73255303616
oct1013742054
9316400204
10137348140
1170590766
1239bb7a64
13225bc2b7
1414353db6
15c0d0b2a
hex82fc42c

137348140 has 12 divisors (see below), whose sum is σ = 288431136. Its totient is φ = 54939248.

The previous prime is 137348077. The next prime is 137348143. The reversal of 137348140 is 41843731.

It is a super-2 number, since 2×1373481402 = 37729023122919200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137348143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3433684 + ... + 3433723.

It is an arithmetic number, because the mean of its divisors is an integer number (24035928).

Almost surely, 2137348140 is an apocalyptic number.

137348140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137348140 is an abundant number, since it is smaller than the sum of its proper divisors (151082996).

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

137348140 is a wasteful number, since it uses less digits than its factorization.

137348140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6867416 (or 6867414 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 137348140 is about 11719.5622785154. The cubic root of 137348140 is about 515.9499731161.

The spelling of 137348140 in words is "one hundred thirty-seven million, three hundred forty-eight thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 6867407 13734814 27469628 34337035 68674070 137348140