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137920982 = 2281245411
BaseRepresentation
bin10000011100010…
…00000111010110
3100121112010000112
420032020013112
5240301432412
621404043022
73263210663
oct1016100726
9317463015
10137920982
1170942091
123a233472
132275cc64
1414462a6a
15c195722
hex83881d6

137920982 has 8 divisors (see below), whose sum is σ = 207618552. Its totient is φ = 68714800.

The previous prime is 137920969. The next prime is 137920997. The reversal of 137920982 is 289029731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122144 + ... + 123267.

It is an arithmetic number, because the mean of its divisors is an integer number (25952319).

Almost surely, 2137920982 is an apocalyptic number.

137920982 is a deficient number, since it is larger than the sum of its proper divisors (69697570).

137920982 is a wasteful number, since it uses less digits than its factorization.

137920982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245694.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 137920982 is about 11743.9764134641. The cubic root of 137920982 is about 516.6662742048. Note that the first 3 decimals are identical.

The spelling of 137920982 in words is "one hundred thirty-seven million, nine hundred twenty thousand, nine hundred eighty-two".

Divisors: 1 2 281 562 245411 490822 68960491 137920982