Base | Representation |
---|---|
bin | 1000011101011… |
… | …10011110011000 |
3 | 11221112121111101 |
4 | 10032232132120 |
5 | 121132003430 |
6 | 11013041144 |
7 | 1521141256 |
oct | 416563630 |
9 | 157477441 |
10 | 70969240 |
11 | 37073271 |
12 | 1b9261b4 |
13 | 1191aa44 |
14 | 95d55d6 |
15 | 636cdca |
hex | 43ae798 |
70969240 has 32 divisors (see below), whose sum is σ = 159971760. Its totient is φ = 28336000.
The previous prime is 70969231. The next prime is 70969243. The reversal of 70969240 is 4296907.
It is a self number, because there is not a number n which added to its sum of digits gives 70969240.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70969243) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26775 + ... + 29305.
Almost surely, 270969240 is an apocalyptic number.
It is an amenable number.
70969240 is an abundant number, since it is smaller than the sum of its proper divisors (89002520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70969240 is a wasteful number, since it uses less digits than its factorization.
70969240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3243 (or 3239 counting only the distinct ones).
The product of its (nonzero) digits is 27216, while the sum is 37.
The square root of 70969240 is about 8424.3243052485. The cubic root of 70969240 is about 414.0219674528.
The spelling of 70969240 in words is "seventy million, nine hundred sixty-nine thousand, two hundred forty".
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