Base | Representation |
---|---|
bin | 10010000011001… |
… | …00110100110000 |
3 | 101112220022121202 |
4 | 21001210310300 |
5 | 302230023140 |
6 | 23005110332 |
7 | 3515642336 |
oct | 1101446460 |
9 | 345808552 |
10 | 151407920 |
11 | 78514014 |
12 | 428583a8 |
13 | 254a29b1 |
14 | 16173b56 |
15 | d45b915 |
hex | 9064d30 |
151407920 has 20 divisors (see below), whose sum is σ = 352023600. Its totient is φ = 60563136.
The previous prime is 151407901. The next prime is 151407961. The reversal of 151407920 is 29704151.
It is a tau number, because it is divible by the number of its divisors (20).
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, 946220 + ... + 946379.
It is an arithmetic number, because the mean of its divisors is an integer number (17601180).
Almost surely, 2151407920 is an apocalyptic number.
151407920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
151407920 is an abundant number, since it is smaller than the sum of its proper divisors (200615680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
151407920 is a wasteful number, since it uses less digits than its factorization.
151407920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1892612 (or 1892606 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 29.
The square root of 151407920 is about 12304.7925622499. The cubic root of 151407920 is about 532.9864862866.
The spelling of 151407920 in words is "one hundred fifty-one million, four hundred seven thousand, nine hundred twenty".
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