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137418838 = 268709419
BaseRepresentation
bin10000011000011…
…01100001010110
3100120120121012121
420030031201112
5240134400323
621345210154
73256020004
oct1014154126
9316517177
10137418838
1170629897
123a03095a
132261552b
1414371a74
15c0e6a5d
hex830d856

137418838 has 4 divisors (see below), whose sum is σ = 206128260. Its totient is φ = 68709418.

The previous prime is 137418829. The next prime is 137418889. The reversal of 137418838 is 838814731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 838814731 = 1749342043.

It is a junction number, because it is equal to n+sod(n) for n = 137418794 and 137418803.

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 as a sum of consecutive naturals, namely, 34354708 + ... + 34354711.

It is an arithmetic number, because the mean of its divisors is an integer number (51532065).

Almost surely, 2137418838 is an apocalyptic number.

137418838 is a deficient number, since it is larger than the sum of its proper divisors (68709422).

137418838 is an equidigital number, since it uses as much as digits as its factorization.

137418838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68709421.

The product of its digits is 129024, while the sum is 43.

The square root of 137418838 is about 11722.5781294048. The cubic root of 137418838 is about 516.0384838994.

The spelling of 137418838 in words is "one hundred thirty-seven million, four hundred eighteen thousand, eight hundred thirty-eight".

Divisors: 1 2 68709419 137418838