Base | Representation |
---|---|
bin | 10010111100111… |
… | …11010011011000 |
3 | 102002011101211012 |
4 | 21132133103120 |
5 | 311200044410 |
6 | 23435353052 |
7 | 3640241231 |
oct | 1136372330 |
9 | 362141735 |
10 | 158987480 |
11 | 81820713 |
12 | 452b2788 |
13 | 26c27942 |
14 | 17188088 |
15 | de57605 |
hex | 979f4d8 |
158987480 has 16 divisors (see below), whose sum is σ = 357721920. Its totient is φ = 63594976.
The previous prime is 158987473. The next prime is 158987539. The reversal of 158987480 is 84789851.
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, 1987304 + ... + 1987383.
It is an arithmetic number, because the mean of its divisors is an integer number (22357620).
Almost surely, 2158987480 is an apocalyptic number.
158987480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
158987480 is an abundant number, since it is smaller than the sum of its proper divisors (198734440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
158987480 is a wasteful number, since it uses less digits than its factorization.
158987480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3974698 (or 3974694 counting only the distinct ones).
The product of its (nonzero) digits is 645120, while the sum is 50.
The square root of 158987480 is about 12609.0237528526. The cubic root of 158987480 is about 541.7359316027.
The spelling of 158987480 in words is "one hundred fifty-eight million, nine hundred eighty-seven thousand, four hundred eighty".
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