Base | Representation |
---|---|
bin | 10111010000001… |
… | …001101111001101 |
3 | 1000012001122112100 |
4 | 113100021233031 |
5 | 1244332011112 |
6 | 102413225313 |
7 | 12444611253 |
oct | 2720115715 |
9 | 1005048470 |
10 | 390110157 |
11 | 190230598 |
12 | aa792239 |
13 | 62a8ac18 |
14 | 39b4c5d3 |
15 | 243ad2dc |
hex | 17409bcd |
390110157 has 12 divisors (see below), whose sum is σ = 574125084. Its totient is φ = 255166080.
The previous prime is 390110099. The next prime is 390110173. The reversal of 390110157 is 751011093.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 354719556 + 35390601 = 18834^2 + 5949^2 .
It is not a de Polignac number, because 390110157 - 210 = 390109133 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 390110157.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (390110197) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 408444 + ... + 409397.
It is an arithmetic number, because the mean of its divisors is an integer number (47843757).
Almost surely, 2390110157 is an apocalyptic number.
It is an amenable number.
390110157 is a deficient number, since it is larger than the sum of its proper divisors (184014927).
390110157 is a wasteful number, since it uses less digits than its factorization.
390110157 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 817900 (or 817897 counting only the distinct ones).
The product of its (nonzero) digits is 945, while the sum is 27.
The square root of 390110157 is about 19751.2064694793. The cubic root of 390110157 is about 730.6831392092.
The spelling of 390110157 in words is "three hundred ninety million, one hundred ten thousand, one hundred fifty-seven".
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