Base | Representation |
---|---|
bin | 10010001111010… |
… | …00011101010101 |
3 | 101122212222121021 |
4 | 21013220131111 |
5 | 303131330134 |
6 | 23103121141 |
7 | 3535304341 |
oct | 1107503525 |
9 | 348788537 |
10 | 152995669 |
11 | 793a8a02 |
12 | 432a31b1 |
13 | 2590a5a8 |
14 | 16468621 |
15 | d6720b4 |
hex | 91e8755 |
152995669 has 4 divisors (see below), whose sum is σ = 156250944. Its totient is φ = 149740396.
The previous prime is 152995649. The next prime is 152995681. The reversal of 152995669 is 966599251.
152995669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 152995669 - 25 = 152995637 is a prime.
It is a super-2 number, since 2×1529956692 = 46815349465515122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152995649) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1627567 + ... + 1627660.
It is an arithmetic number, because the mean of its divisors is an integer number (39062736).
Almost surely, 2152995669 is an apocalyptic number.
It is an amenable number.
152995669 is a deficient number, since it is larger than the sum of its proper divisors (3255275).
152995669 is an equidigital number, since it uses as much as digits as its factorization.
152995669 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3255274.
The product of its digits is 1312200, while the sum is 52.
The square root of 152995669 is about 12369.1418053154. The cubic root of 152995669 is about 534.8430773939.
It can be divided in two parts, 152995 and 669, that added together give a square (153664 = 3922).
The spelling of 152995669 in words is "one hundred fifty-two million, nine hundred ninety-five thousand, six hundred sixty-nine".
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