Base | Representation |
---|---|
bin | 1000100101110… |
… | …11011010001010 |
3 | 12000121120112200 |
4 | 10102323122022 |
5 | 121422231134 |
6 | 11052421030 |
7 | 1533406635 |
oct | 422733212 |
9 | 160546480 |
10 | 72070794 |
11 | 37755944 |
12 | 20177776 |
13 | 11c15253 |
14 | 9800c1c |
15 | 64d9499 |
hex | 44bb68a |
72070794 has 24 divisors (see below), whose sum is σ = 156978432. Its totient is φ = 23896680.
The previous prime is 72070741. The next prime is 72070807. The reversal of 72070794 is 49707027.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
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 11 ways as a sum of consecutive naturals, for example, 7044 + ... + 13919.
It is an arithmetic number, because the mean of its divisors is an integer number (6540768).
Almost surely, 272070794 is an apocalyptic number.
72070794 is an abundant number, since it is smaller than the sum of its proper divisors (84907638).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72070794 is a wasteful number, since it uses less digits than its factorization.
72070794 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21162 (or 21159 counting only the distinct ones).
The product of its (nonzero) digits is 24696, while the sum is 36.
The square root of 72070794 is about 8489.4519257724. The cubic root of 72070794 is about 416.1530694408.
It can be divided in two parts, 720707 and 94, that added together give a square (720801 = 8492).
The spelling of 72070794 in words is "seventy-two million, seventy thousand, seven hundred ninety-four".
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