Base | Representation |
---|---|
bin | 10010001110110… |
… | …00001000101001 |
3 | 101122202120212222 |
4 | 21013120020221 |
5 | 303122210214 |
6 | 23101443425 |
7 | 3534605405 |
oct | 1107301051 |
9 | 348676788 |
10 | 152928809 |
11 | 79362750 |
12 | 43270575 |
13 | 258b6027 |
14 | 1644c105 |
15 | d65c38e |
hex | 91d8229 |
152928809 has 8 divisors (see below), whose sum is σ = 166980000. Its totient is φ = 138902400.
The previous prime is 152928793. The next prime is 152928827. The reversal of 152928809 is 908829251.
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 152928809 - 24 = 152928793 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 152928809.
It is not an unprimeable number, because it can be changed into a prime (152928109) by changing a digit.
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, 8174 + ... + 19304.
It is an arithmetic number, because the mean of its divisors is an integer number (20872500).
Almost surely, 2152928809 is an apocalyptic number.
It is an amenable number.
152928809 is a deficient number, since it is larger than the sum of its proper divisors (14051191).
152928809 is a wasteful number, since it uses less digits than its factorization.
152928809 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12391.
The product of its (nonzero) digits is 103680, while the sum is 44.
The square root of 152928809 is about 12366.4388164095. The cubic root of 152928809 is about 534.7651561937.
The spelling of 152928809 in words is "one hundred fifty-two million, nine hundred twenty-eight thousand, eight hundred nine".
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