Base | Representation |
---|---|
bin | 10010001011100… |
… | …10100000001000 |
3 | 101121222102211212 |
4 | 21011302200020 |
5 | 303020400040 |
6 | 23044512252 |
7 | 3531222626 |
oct | 1105624010 |
9 | 347872755 |
10 | 152512520 |
11 | 790a8a06 |
12 | 430ab688 |
13 | 2579b6c4 |
14 | 16380516 |
15 | d5c8d65 |
hex | 9172808 |
152512520 has 32 divisors (see below), whose sum is σ = 352431000. Its totient is φ = 59355648.
The previous prime is 152512519. The next prime is 152512531. The reversal of 152512520 is 25215251.
It can be written as a sum of positive squares in 4 ways, for example, as 134142724 + 18369796 = 11582^2 + 4286^2 .
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, 50045 + ... + 53004.
Almost surely, 2152512520 is an apocalyptic number.
152512520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
152512520 is an abundant number, since it is smaller than the sum of its proper divisors (199918480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
152512520 is a wasteful number, since it uses less digits than its factorization.
152512520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 103097 (or 103093 counting only the distinct ones).
The product of its (nonzero) digits is 1000, while the sum is 23.
The square root of 152512520 is about 12349.5959448073. The cubic root of 152512520 is about 534.2794854309.
Adding to 152512520 its reverse (25215251), we get a palindrome (177727771).
It can be divided in two parts, 15251 and 2520, that added together give a palindrome (17771).
The spelling of 152512520 in words is "one hundred fifty-two million, five hundred twelve thousand, five hundred twenty".
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