Base | Representation |
---|---|
bin | 10000011100010… |
… | …01110010000000 |
3 | 100121112110101100 |
4 | 20032021302000 |
5 | 240302142213 |
6 | 21404134400 |
7 | 3263236614 |
oct | 1016116200 |
9 | 317473340 |
10 | 137927808 |
11 | 70947227 |
12 | 3a237400 |
13 | 227630b5 |
14 | 14465344 |
15 | c197773 |
hex | 8389c80 |
137927808 has 96 divisors (see below), whose sum is σ = 403050960. Its totient is φ = 45264384.
The previous prime is 137927807. The next prime is 137927843. The reversal of 137927808 is 808729731.
137927808 is a `hidden beast` number, since 1 + 379 + 278 + 0 + 8 = 666.
It is a tau number, because it is divible by the number of its divisors (96).
It is not an unprimeable number, because it can be changed into a prime (137927807) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76291 + ... + 78077.
Almost surely, 2137927808 is an apocalyptic number.
137927808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 137927808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201525480).
137927808 is an abundant number, since it is smaller than the sum of its proper divisors (265123152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
137927808 is a wasteful number, since it uses less digits than its factorization.
137927808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1874 (or 1859 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 45.
The square root of 137927808 is about 11744.2670269370. The cubic root of 137927808 is about 516.6747976984.
The spelling of 137927808 in words is "one hundred thirty-seven million, nine hundred twenty-seven thousand, eight hundred eight".
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