Base | Representation |
---|---|
bin | 1000011100001… |
… | …01011101001001 |
3 | 11221020002000121 |
4 | 10032011131021 |
5 | 121111114400 |
6 | 11005303241 |
7 | 1516541365 |
oct | 416053511 |
9 | 157202017 |
10 | 70801225 |
11 | 36a69010 |
12 | 1b864b21 |
13 | 1188c421 |
14 | 95902a5 |
15 | 633821a |
hex | 4385749 |
70801225 has 12 divisors (see below), whose sum is σ = 95775120. Its totient is φ = 51491600.
The previous prime is 70801207. The next prime is 70801249. The reversal of 70801225 is 52210807.
It is not a de Polignac number, because 70801225 - 27 = 70801097 is a prime.
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 70801225.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128455 + ... + 129004.
It is an arithmetic number, because the mean of its divisors is an integer number (7981260).
Almost surely, 270801225 is an apocalyptic number.
It is an amenable number.
70801225 is a deficient number, since it is larger than the sum of its proper divisors (24973895).
70801225 is a wasteful number, since it uses less digits than its factorization.
70801225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 257480 (or 257475 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 25.
The square root of 70801225 is about 8414.3463798444. The cubic root of 70801225 is about 413.6949860377.
The spelling of 70801225 in words is "seventy million, eight hundred one thousand, two hundred twenty-five".
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