Base | Representation |
---|---|
bin | 1000011011011… |
… | …10010111110000 |
3 | 11221001021022122 |
4 | 10031232113300 |
5 | 121100103142 |
6 | 11003253412 |
7 | 1515665621 |
oct | 415562760 |
9 | 157037278 |
10 | 70706672 |
11 | 36a03a73 |
12 | 1b81a268 |
13 | 1185838a |
14 | 9567a48 |
15 | 631a1d2 |
hex | 436e5f0 |
70706672 has 40 divisors (see below), whose sum is σ = 145919232. Its totient is φ = 33075200.
The previous prime is 70706651. The next prime is 70706681. The reversal of 70706672 is 27660707.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51272 + ... + 52632.
Almost surely, 270706672 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70706672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72959616).
70706672 is an abundant number, since it is smaller than the sum of its proper divisors (75212560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70706672 is a wasteful number, since it uses less digits than its factorization.
70706672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1577 (or 1571 counting only the distinct ones).
The product of its (nonzero) digits is 24696, while the sum is 35.
The square root of 70706672 is about 8408.7259439228. The cubic root of 70706672 is about 413.5107447445.
The spelling of 70706672 in words is "seventy million, seven hundred six thousand, six hundred seventy-two".
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