Base | Representation |
---|---|
bin | 10010001011100… |
… | …11001110110001 |
3 | 101121222120221102 |
4 | 21011303032301 |
5 | 303020444010 |
6 | 23044534145 |
7 | 3531234422 |
oct | 1105631661 |
9 | 347876842 |
10 | 152515505 |
11 | 7910017a |
12 | 430b1355 |
13 | 2579cb7c |
14 | 16381649 |
15 | d5c9ba5 |
hex | 91733b1 |
152515505 has 12 divisors (see below), whose sum is σ = 189118836. Its totient is φ = 118072800.
The previous prime is 152515477. The next prime is 152515513. The reversal of 152515505 is 505515251.
152515505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 81938704 + 70576801 = 9052^2 + 8401^2 .
It is not a de Polignac number, because 152515505 - 214 = 152499121 is a prime.
It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11066 + ... + 20675.
It is an arithmetic number, because the mean of its divisors is an integer number (15759903).
Almost surely, 2152515505 is an apocalyptic number.
It is an amenable number.
152515505 is a deficient number, since it is larger than the sum of its proper divisors (36603331).
152515505 is an equidigital number, since it uses as much as digits as its factorization.
152515505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31808 (or 31777 counting only the distinct ones).
The product of its (nonzero) digits is 6250, while the sum is 29.
The square root of 152515505 is about 12349.7167983723. The cubic root of 152515505 is about 534.2829710766.
The spelling of 152515505 in words is "one hundred fifty-two million, five hundred fifteen thousand, five hundred five".
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