Base | Representation |
---|---|
bin | 111100100000000… |
… | …001011000011001 |
3 | 2121201221201120221 |
4 | 330200001120121 |
5 | 4034321332400 |
6 | 244415320041 |
7 | 34103406022 |
oct | 7440013031 |
9 | 2551851527 |
10 | 1015027225 |
11 | 480a57a83 |
12 | 243b20021 |
13 | 13239c034 |
14 | 98b3dc49 |
15 | 5e19dc1a |
hex | 3c801619 |
1015027225 has 12 divisors (see below), whose sum is σ = 1259133820. Its totient is φ = 811699200.
The previous prime is 1015027219. The next prime is 1015027241. The reversal of 1015027225 is 5227205101.
It can be written as a sum of positive squares in 6 ways, for example, as 404492544 + 610534681 = 20112^2 + 24709^2 .
It is not a de Polignac number, because 1015027225 - 29 = 1015026713 is a prime.
It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a self number, because there is not a number n which added to its sum of digits gives 1015027225.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 71521 + ... + 84529.
Almost surely, 21015027225 is an apocalyptic number.
It is an amenable number.
1015027225 is a deficient number, since it is larger than the sum of its proper divisors (244106595).
1015027225 is a wasteful number, since it uses less digits than its factorization.
1015027225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16140 (or 16135 counting only the distinct ones).
The product of its (nonzero) digits is 1400, while the sum is 25.
The square root of 1015027225 is about 31859.4919137139. The cubic root of 1015027225 is about 1004.9841915618.
The spelling of 1015027225 in words is "one billion, fifteen million, twenty-seven thousand, two hundred twenty-five".
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