Base | Representation |
---|---|
bin | 10010001100111… |
… | …01111110011001 |
3 | 101122022111002212 |
4 | 21012131332121 |
5 | 303042044320 |
6 | 23052404505 |
7 | 3532564025 |
oct | 1106357631 |
9 | 348274085 |
10 | 152690585 |
11 | 7920a773 |
12 | 43176735 |
13 | 25831778 |
14 | 163c9385 |
15 | d6119c5 |
hex | 919df99 |
152690585 has 4 divisors (see below), whose sum is σ = 183228708. Its totient is φ = 122152464.
The previous prime is 152690569. The next prime is 152690621. The reversal of 152690585 is 585096251.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 585096251 = 269 ⋅2175079.
It can be written as a sum of positive squares in 2 ways, for example, as 32809984 + 119880601 = 5728^2 + 10949^2 .
It is a cyclic number.
It is not a de Polignac number, because 152690585 - 24 = 152690569 is a prime.
It is a Duffinian number.
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, 15269054 + ... + 15269063.
It is an arithmetic number, because the mean of its divisors is an integer number (45807177).
Almost surely, 2152690585 is an apocalyptic number.
It is an amenable number.
152690585 is a deficient number, since it is larger than the sum of its proper divisors (30538123).
152690585 is an equidigital number, since it uses as much as digits as its factorization.
152690585 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30538122.
The product of its (nonzero) digits is 108000, while the sum is 41.
The square root of 152690585 is about 12356.8031869088. The cubic root of 152690585 is about 534.4873360721.
The spelling of 152690585 in words is "one hundred fifty-two million, six hundred ninety thousand, five hundred eighty-five".
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