| Base | Representation |
|---|---|
| bin | 10010100011100… |
| … | …10101110000100 |
| 3 | 101211220022012100 |
| 4 | 21101302232010 |
| 5 | 304322043030 |
| 6 | 23240152100 |
| 7 | 3600036510 |
| oct | 1121625604 |
| 9 | 354808170 |
| 10 | 155659140 |
| 11 | 7a95801a |
| 12 | 44168630 |
| 13 | 26330a00 |
| 14 | 1695d140 |
| 15 | d9eb360 |
| hex | 9472b84 |
155659140 has 432 divisors, whose sum is σ = 633080448. Its totient is φ = 30191616.
The previous prime is 155659117. The next prime is 155659177. The reversal of 155659140 is 41956551.
155659140 is a `hidden beast` number, since 1 + 5 + 565 + 91 + 4 + 0 = 666.
155659140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 155659095 and 155659104.
It is an unprimeable number.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3619959 + ... + 3620001.
It is an arithmetic number, because the mean of its divisors is an integer number (1465464).
Almost surely, 2155659140 is an apocalyptic number.
155659140 is a gapful number since it is divisible by the number (10) 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 155659140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316540224).
155659140 is an abundant number, since it is smaller than the sum of its proper divisors (477421308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155659140 is a wasteful number, since it uses less digits than its factorization.
155659140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108 (or 90 counting only the distinct ones).
The product of its (nonzero) digits is 27000, while the sum is 36.
The square root of 155659140 is about 12476.3432142595. The cubic root of 155659140 is about 537.9288979800.
The spelling of 155659140 in words is "one hundred fifty-five million, six hundred fifty-nine thousand, one hundred forty".
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