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137463689 = 11198112
BaseRepresentation
bin10000011000110…
…00011110001001
3100120122212201202
420030120132021
5240142314224
621350153545
73256264526
oct1014303611
9316585652
10137463689
117065a560
123a0528b5
132262ca7c
141438414d
15c104eae
hex8318789

137463689 has 12 divisors (see below), whose sum is σ = 158047920. Its totient is φ = 118243800.

The previous prime is 137463661. The next prime is 137463721. The reversal of 137463689 is 986364731.

It is a happy number.

It is not a de Polignac number, because 137463689 - 220 = 136415113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137463619) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 169094 + ... + 169904.

It is an arithmetic number, because the mean of its divisors is an integer number (13170660).

Almost surely, 2137463689 is an apocalyptic number.

137463689 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

137463689 is a deficient number, since it is larger than the sum of its proper divisors (20584231).

137463689 is an frugal number, since it uses more digits than its factorization.

137463689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652 (or 841 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 137463689 is about 11724.4909910836. The cubic root of 137463689 is about 516.0946196394.

The spelling of 137463689 in words is "one hundred thirty-seven million, four hundred sixty-three thousand, six hundred eighty-nine".

Divisors: 1 11 19 209 811 8921 15409 169499 657721 7234931 12496699 137463689