Base | Representation |
---|---|
bin | 10010100110000… |
… | …11000100000110 |
3 | 101212112000121212 |
4 | 21103003010012 |
5 | 304413110410 |
6 | 23251211422 |
7 | 3602610116 |
oct | 1123030406 |
9 | 355460555 |
10 | 155988230 |
11 | 800622a2 |
12 | 442a6b72 |
13 | 26417738 |
14 | 16a07046 |
15 | da63b05 |
hex | 94c3106 |
155988230 has 8 divisors (see below), whose sum is σ = 280778832. Its totient is φ = 62395288.
The previous prime is 155988223. The next prime is 155988241. The reversal of 155988230 is 32889551.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7799402 + ... + 7799421.
It is an arithmetic number, because the mean of its divisors is an integer number (35097354).
Almost surely, 2155988230 is an apocalyptic number.
155988230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
155988230 is a deficient number, since it is larger than the sum of its proper divisors (124790602).
155988230 is a wasteful number, since it uses less digits than its factorization.
155988230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15598830.
The product of its (nonzero) digits is 86400, while the sum is 41.
The square root of 155988230 is about 12489.5248108165. The cubic root of 155988230 is about 538.3077223186.
The spelling of 155988230 in words is "one hundred fifty-five million, nine hundred eighty-eight thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •