Base | Representation |
---|---|
bin | 10010000100111… |
… | …00010011000100 |
3 | 101120022212022022 |
4 | 21002130103010 |
5 | 302304311030 |
6 | 23014022312 |
7 | 3520606646 |
oct | 1102342304 |
9 | 346285268 |
10 | 151635140 |
11 | 786597a8 |
12 | 42947998 |
13 | 25552247 |
14 | 161d2896 |
15 | d4a3de5 |
hex | 909c4c4 |
151635140 has 24 divisors (see below), whose sum is σ = 319683672. Its totient is φ = 60416000.
The previous prime is 151635131. The next prime is 151635163. The reversal of 151635140 is 41536151.
It can be written as a sum of positive squares in 4 ways, for example, as 48246916 + 103388224 = 6946^2 + 10168^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9611 + ... + 19890.
It is an arithmetic number, because the mean of its divisors is an integer number (13320153).
Almost surely, 2151635140 is an apocalyptic number.
151635140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
151635140 is an abundant number, since it is smaller than the sum of its proper divisors (168048532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151635140 is a wasteful number, since it uses less digits than its factorization.
151635140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29767 (or 29765 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 26.
The square root of 151635140 is about 12314.0220886597. The cubic root of 151635140 is about 533.2529731354.
The spelling of 151635140 in words is "one hundred fifty-one million, six hundred thirty-five thousand, one hundred forty".
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