Base | Representation |
---|---|
bin | 1110010100101… |
… | …11010000101001 |
3 | 22101002121201121 |
4 | 13022113100221 |
5 | 221230012400 |
6 | 15531215241 |
7 | 2656214416 |
oct | 712272051 |
9 | 271077647 |
10 | 120157225 |
11 | 619099a1 |
12 | 342a7521 |
13 | 1bb80666 |
14 | 11d5b10d |
15 | a83721a |
hex | 7297429 |
120157225 has 12 divisors (see below), whose sum is σ = 150444736. Its totient is φ = 95190480.
The previous prime is 120157199. The next prime is 120157253. The reversal of 120157225 is 522751021.
It is not a de Polignac number, because 120157225 - 27 = 120157097 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 120157225.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 20757 + ... + 25906.
Almost surely, 2120157225 is an apocalyptic number.
It is an amenable number.
120157225 is a deficient number, since it is larger than the sum of its proper divisors (30287511).
120157225 is a wasteful number, since it uses less digits than its factorization.
120157225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46776 (or 46771 counting only the distinct ones).
The product of its (nonzero) digits is 1400, while the sum is 25.
The square root of 120157225 is about 10961.6251076198. The cubic root of 120157225 is about 493.4577376283.
The spelling of 120157225 in words is "one hundred twenty million, one hundred fifty-seven thousand, two hundred twenty-five".
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