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137443862 = 268721931
BaseRepresentation
bin10000011000100…
…11101000010110
3100120121212112102
420030103220112
5240141200422
621345522102
73256152653
oct1014235026
9316555472
10137443862
1170646676
123a043332
1322623a3a
141437ac2a
15c0ee192
hex8313a16

137443862 has 4 divisors (see below), whose sum is σ = 206165796. Its totient is φ = 68721930.

The previous prime is 137443843. The next prime is 137443871. The reversal of 137443862 is 268344731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 268344731 = 322183311.

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, 34360964 + ... + 34360967.

It is an arithmetic number, because the mean of its divisors is an integer number (51541449).

Almost surely, 2137443862 is an apocalyptic number.

137443862 is a deficient number, since it is larger than the sum of its proper divisors (68721934).

137443862 is an equidigital number, since it uses as much as digits as its factorization.

137443862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68721933.

The product of its digits is 96768, while the sum is 38.

The square root of 137443862 is about 11723.6454228196. The cubic root of 137443862 is about 516.0698055713.

The spelling of 137443862 in words is "one hundred thirty-seven million, four hundred forty-three thousand, eight hundred sixty-two".

Divisors: 1 2 68721931 137443862