Base | Representation |
---|---|
bin | 10010001010111… |
… | …11010010010001 |
3 | 101121211102212122 |
4 | 21011133102101 |
5 | 303010340214 |
6 | 23043104025 |
7 | 3530444303 |
oct | 1105372221 |
9 | 347742778 |
10 | 152433809 |
11 | 79054860 |
12 | 43072015 |
13 | 25771928 |
14 | 1635d973 |
15 | d5b088e |
hex | 915f491 |
152433809 has 4 divisors (see below), whose sum is σ = 166291440. Its totient is φ = 138576180.
The previous prime is 152433803. The next prime is 152433823. The reversal of 152433809 is 908334251.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 152433809 - 28 = 152433553 is a prime.
It is a super-2 number, since 2×1524338092 = 46472132252496962, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (152433803) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6928799 + ... + 6928820.
It is an arithmetic number, because the mean of its divisors is an integer number (41572860).
Almost surely, 2152433809 is an apocalyptic number.
It is an amenable number.
152433809 is a deficient number, since it is larger than the sum of its proper divisors (13857631).
152433809 is a wasteful number, since it uses less digits than its factorization.
152433809 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13857630.
The product of its (nonzero) digits is 25920, while the sum is 35.
The square root of 152433809 is about 12346.4087491060. The cubic root of 152433809 is about 534.1875565645.
The spelling of 152433809 in words is "one hundred fifty-two million, four hundred thirty-three thousand, eight hundred nine".
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