Base | Representation |
---|---|
bin | 1000011001101… |
… | …01001111110000 |
3 | 11220121101100120 |
4 | 10030311033300 |
5 | 121020111223 |
6 | 10554250240 |
7 | 1514002506 |
oct | 414651760 |
9 | 156541316 |
10 | 70472688 |
11 | 368641a0 |
12 | 1b726980 |
13 | 117a5a20 |
14 | 9506676 |
15 | 62c0be3 |
hex | 43353f0 |
70472688 has 80 divisors (see below), whose sum is σ = 213902976. Its totient is φ = 19710720.
The previous prime is 70472671. The next prime is 70472711. The reversal of 70472688 is 88627407.
It is a congruent number.
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 15 ways as a sum of consecutive naturals, for example, 1731 + ... + 11997.
Almost surely, 270472688 is an apocalyptic number.
70472688 is a gapful number since it is divisible by the number (78) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70472688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106951488).
70472688 is an abundant number, since it is smaller than the sum of its proper divisors (143430288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70472688 is a wasteful number, since it uses less digits than its factorization.
70472688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10302 (or 10296 counting only the distinct ones).
The product of its (nonzero) digits is 150528, while the sum is 42.
The square root of 70472688 is about 8394.8012483918. The cubic root of 70472688 is about 413.0541078634.
The spelling of 70472688 in words is "seventy million, four hundred seventy-two thousand, six hundred eighty-eight".
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