Base | Representation |
---|---|
bin | 10010001111010… |
… | …01001110010101 |
3 | 101122220010220102 |
4 | 21013221032111 |
5 | 303131430210 |
6 | 23103143445 |
7 | 3535316441 |
oct | 1107511625 |
9 | 348803812 |
10 | 152998805 |
11 | 794002a3 |
12 | 432a4b85 |
13 | 2590bb4b |
14 | 16469821 |
15 | d672ea5 |
hex | 91e9395 |
152998805 has 8 divisors (see below), whose sum is σ = 185044992. Its totient is φ = 121434768.
The previous prime is 152998801. The next prime is 152998817. The reversal of 152998805 is 508899251.
152998805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 152998805 - 22 = 152998801 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 152998805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152998801) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119837 + ... + 121106.
It is an arithmetic number, because the mean of its divisors is an integer number (23130624).
Almost surely, 2152998805 is an apocalyptic number.
It is an amenable number.
152998805 is a deficient number, since it is larger than the sum of its proper divisors (32046187).
152998805 is a wasteful number, since it uses less digits than its factorization.
152998805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 241075.
The product of its (nonzero) digits is 259200, while the sum is 47.
The square root of 152998805 is about 12369.2685717467. The cubic root of 152998805 is about 534.8467316508.
The spelling of 152998805 in words is "one hundred fifty-two million, nine hundred ninety-eight thousand, eight hundred five".
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