Base | Representation |
---|---|
bin | 1000011100101… |
… | …10110101011100 |
3 | 11221100200200011 |
4 | 10032112311130 |
5 | 121120404122 |
6 | 11011013004 |
7 | 1520256052 |
oct | 416266534 |
9 | 157320604 |
10 | 70872412 |
11 | 37007546 |
12 | 1b89a164 |
13 | 118b5950 |
14 | 95ac1d2 |
15 | 634e377 |
hex | 4396d5c |
70872412 has 12 divisors (see below), whose sum is σ = 133567336. Its totient is φ = 32710320.
The previous prime is 70872383. The next prime is 70872419. The reversal of 70872412 is 21427807.
It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70872419) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681414 + ... + 681517.
Almost surely, 270872412 is an apocalyptic number.
It is an amenable number.
70872412 is a deficient number, since it is larger than the sum of its proper divisors (62694924).
70872412 is a wasteful number, since it uses less digits than its factorization.
70872412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1362948 (or 1362946 counting only the distinct ones).
The product of its (nonzero) digits is 6272, while the sum is 31.
The square root of 70872412 is about 8418.5754139284. The cubic root of 70872412 is about 413.8335892913.
The spelling of 70872412 in words is "seventy million, eight hundred seventy-two thousand, four hundred twelve".
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