Base | Representation |
---|---|
bin | 10010001011100… |
… | …10110000001001 |
3 | 101121222111020211 |
4 | 21011302300021 |
5 | 303020413140 |
6 | 23044521121 |
7 | 3531225622 |
oct | 1105626011 |
9 | 347874224 |
10 | 152513545 |
11 | 790a9758 |
12 | 430b01a1 |
13 | 2579c002 |
14 | 16380a49 |
15 | d5c92ea |
hex | 9172c09 |
152513545 has 8 divisors (see below), whose sum is σ = 193782024. Its totient is φ = 114833664.
The previous prime is 152513531. The next prime is 152513567. The reversal of 152513545 is 545315251.
It can be written as a sum of positive squares in 4 ways, for example, as 18139081 + 134374464 = 4259^2 + 11592^2 .
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 152513545 - 29 = 152513033 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897054 + ... + 897223.
It is an arithmetic number, because the mean of its divisors is an integer number (24222753).
Almost surely, 2152513545 is an apocalyptic number.
It is an amenable number.
152513545 is a deficient number, since it is larger than the sum of its proper divisors (41268479).
152513545 is a wasteful number, since it uses less digits than its factorization.
152513545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1794299.
The product of its digits is 15000, while the sum is 31.
The square root of 152513545 is about 12349.6374440710. The cubic root of 152513545 is about 534.2806823495.
Adding to 152513545 its reverse (545315251), we get a palindrome (697828796).
The spelling of 152513545 in words is "one hundred fifty-two million, five hundred thirteen thousand, five hundred forty-five".
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