Base | Representation |
---|---|
bin | 1000010111110… |
… | …10011110011100 |
3 | 11220011011010212 |
4 | 10023322132130 |
5 | 120434410324 |
6 | 10545151552 |
7 | 1511650625 |
oct | 413723634 |
9 | 156134125 |
10 | 70231964 |
11 | 3670a350 |
12 | 1b62b5b8 |
13 | 1172029a |
14 | 9482a4c |
15 | 627470e |
hex | 42fa79c |
70231964 has 24 divisors (see below), whose sum is σ = 141967728. Its totient is φ = 30045440.
The previous prime is 70231963. The next prime is 70231991. The reversal of 70231964 is 46913207.
It is a self number, because there is not a number n which added to its sum of digits gives 70231964.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70231963) 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, 46199 + ... + 47694.
It is an arithmetic number, because the mean of its divisors is an integer number (5915322).
Almost surely, 270231964 is an apocalyptic number.
It is an amenable number.
70231964 is an abundant number, since it is smaller than the sum of its proper divisors (71735764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70231964 is a wasteful number, since it uses less digits than its factorization.
70231964 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 93925 (or 93923 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 32.
The square root of 70231964 is about 8380.4513004969. The cubic root of 70231964 is about 412.5832613074.
The spelling of 70231964 in words is "seventy million, two hundred thirty-one thousand, nine hundred sixty-four".
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