Base | Representation |
---|---|
bin | 1000011000111… |
… | …10010010111000 |
3 | 11220102121101210 |
4 | 10030132102320 |
5 | 121004104210 |
6 | 10552243120 |
7 | 1513131441 |
oct | 414362270 |
9 | 156377353 |
10 | 70378680 |
11 | 367aa5a9 |
12 | 1b6a04a0 |
13 | 11771cb8 |
14 | 94c02c8 |
15 | 62a2e20 |
hex | 431e4b8 |
70378680 has 64 divisors (see below), whose sum is σ = 217958400. Its totient is φ = 18161280.
The previous prime is 70378667. The next prime is 70378697. The reversal of 70378680 is 8687307.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5740 + ... + 13179.
It is an arithmetic number, because the mean of its divisors is an integer number (3405600).
Almost surely, 270378680 is an apocalyptic number.
It is an amenable number.
70378680 is an abundant number, since it is smaller than the sum of its proper divisors (147579720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70378680 is a wasteful number, since it uses less digits than its factorization.
70378680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18964 (or 18960 counting only the distinct ones).
The product of its (nonzero) digits is 56448, while the sum is 39.
The square root of 70378680 is about 8389.2002002575. The cubic root of 70378680 is about 412.8703597543.
The spelling of 70378680 in words is "seventy million, three hundred seventy-eight thousand, six hundred eighty".
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