Base | Representation |
---|---|
bin | 10010100010000… |
… | …10111111111000 |
3 | 101211112101001210 |
4 | 21101002333320 |
5 | 304244314142 |
6 | 23232043120 |
7 | 3565263600 |
oct | 1121027770 |
9 | 354471053 |
10 | 155463672 |
11 | 7a834181 |
12 | 440934a0 |
13 | 26292a50 |
14 | 1690bc00 |
15 | d9ad49c |
hex | 9442ff8 |
155463672 has 96 divisors (see below), whose sum is σ = 486939600. Its totient is φ = 40997376.
The previous prime is 155463661. The next prime is 155463683. The reversal of 155463672 is 276364551.
155463672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (155463661) and next prime (155463683).
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a self number, because there is not a number n which added to its sum of digits gives 155463672.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10204 + ... + 20372.
Almost surely, 2155463672 is an apocalyptic number.
155463672 is a gapful number since it is divisible by the number (12) 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 155463672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243469800).
155463672 is an abundant number, since it is smaller than the sum of its proper divisors (331475928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155463672 is a wasteful number, since it uses less digits than its factorization.
155463672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10205 (or 10194 counting only the distinct ones).
The product of its digits is 151200, while the sum is 39.
The square root of 155463672 is about 12468.5072081625. The cubic root of 155463672 is about 537.7036367040.
The spelling of 155463672 in words is "one hundred fifty-five million, four hundred sixty-three thousand, six hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •