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137423671 = 7111784723
BaseRepresentation
bin10000011000011…
…10101100110111
3100120120211211121
420030032230313
5240140024141
621345244411
73256040050
oct1014165467
9316524747
10137423671
1170632490
123a033707
13226177a8
1414373727
15c0e81d1
hex830eb37

137423671 has 8 divisors (see below), whose sum is σ = 171333504. Its totient is φ = 107083320.

The previous prime is 137423669. The next prime is 137423687. The reversal of 137423671 is 176324731.

137423671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 137423671 - 21 = 137423669 is a prime.

It is a super-2 number, since 2×1374236712 = 37770530702232482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137423071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 892285 + ... + 892438.

It is an arithmetic number, because the mean of its divisors is an integer number (21416688).

Almost surely, 2137423671 is an apocalyptic number.

137423671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

137423671 is a deficient number, since it is larger than the sum of its proper divisors (33909833).

137423671 is a wasteful number, since it uses less digits than its factorization.

137423671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784741.

The product of its digits is 21168, while the sum is 34.

The square root of 137423671 is about 11722.7842682530. The cubic root of 137423671 is about 516.0445334939.

The spelling of 137423671 in words is "one hundred thirty-seven million, four hundred twenty-three thousand, six hundred seventy-one".

Divisors: 1 7 11 77 1784723 12493061 19631953 137423671