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137956782 = 23206911113
BaseRepresentation
bin10000011100100…
…00110110101110
3100121120221010110
420032100312232
5240304104112
621404520450
73263420235
oct1016206656
9317527113
10137956782
1170966a77
123a250126
1322773342
1414471b1c
15c1a113c
hex8390dae

137956782 has 16 divisors (see below), whose sum is σ = 276071760. Its totient is φ = 45959232.

The previous prime is 137956781. The next prime is 137956811. The reversal of 137956782 is 287659731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137956781) 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 7 ways as a sum of consecutive naturals, for example, 6858 + ... + 17970.

It is an arithmetic number, because the mean of its divisors is an integer number (17254485).

Almost surely, 2137956782 is an apocalyptic number.

137956782 is an abundant number, since it is smaller than the sum of its proper divisors (138114978).

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

137956782 is a wasteful number, since it uses less digits than its factorization.

137956782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13187.

The product of its digits is 635040, while the sum is 48.

The square root of 137956782 is about 11745.5005001916. The cubic root of 137956782 is about 516.7109738393.

The spelling of 137956782 in words is "one hundred thirty-seven million, nine hundred fifty-six thousand, seven hundred eighty-two".

Divisors: 1 2 3 6 2069 4138 6207 11113 12414 22226 33339 66678 22992797 45985594 68978391 137956782