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137789954 = 2677910163
BaseRepresentation
bin10000011011010…
…00001000000010
3100121021110021122
420031220020002
5240233234304
621401152242
73262123661
oct1015501002
9317243248
10137789954
11708626a5
123a18b682
1322715423
141442add8
15c16b9be
hex8368202

137789954 has 8 divisors (see below), whose sum is σ = 206735760. Its totient is φ = 68878036.

The previous prime is 137789929. The next prime is 137789959. The reversal of 137789954 is 459987731.

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

It is a junction number, because it is equal to n+sod(n) for n = 137789896 and 137789905.

It is not an unprimeable number, because it can be changed into a prime (137789959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8477 + ... + 18639.

It is an arithmetic number, because the mean of its divisors is an integer number (25841970).

Almost surely, 2137789954 is an apocalyptic number.

137789954 is a deficient number, since it is larger than the sum of its proper divisors (68945806).

137789954 is a wasteful number, since it uses less digits than its factorization.

137789954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16944.

The product of its digits is 1905120, while the sum is 53.

The square root of 137789954 is about 11738.3965685267. The cubic root of 137789954 is about 516.5026075482.

It can be divided in two parts, 13778 and 9954, that added together give a palindrome (23732).

The spelling of 137789954 in words is "one hundred thirty-seven million, seven hundred eighty-nine thousand, nine hundred fifty-four".

Divisors: 1 2 6779 10163 13558 20326 68894977 137789954