Base | Representation |
---|---|
bin | 10010000010010… |
… | …00011111111110 |
3 | 101112200102110210 |
4 | 21001020133332 |
5 | 302212320102 |
6 | 23002413250 |
7 | 3514650156 |
oct | 1101103776 |
9 | 345612423 |
10 | 151291902 |
11 | 78444933 |
12 | 42801226 |
13 | 25461c48 |
14 | 16143766 |
15 | d43736c |
hex | 90487fe |
151291902 has 32 divisors (see below), whose sum is σ = 307359360. Its totient is φ = 49639520.
The previous prime is 151291879. The next prime is 151291913. The reversal of 151291902 is 209192151.
151291902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×1512919022 = 45778479221555208, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 151291902.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229249 + ... + 229907.
It is an arithmetic number, because the mean of its divisors is an integer number (9604980).
Almost surely, 2151291902 is an apocalyptic number.
151291902 is an abundant number, since it is smaller than the sum of its proper divisors (156067458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151291902 is a wasteful number, since it uses less digits than its factorization.
151291902 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1208.
The product of its (nonzero) digits is 1620, while the sum is 30.
The square root of 151291902 is about 12300.0773168302. The cubic root of 151291902 is about 532.8503158954.
The spelling of 151291902 in words is "one hundred fifty-one million, two hundred ninety-one thousand, nine hundred two".
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