Base | Representation |
---|---|
bin | 1000011001101… |
… | …01001000101000 |
3 | 11220121100201200 |
4 | 10030311020220 |
5 | 121020102412 |
6 | 10554244200 |
7 | 1514001255 |
oct | 414651050 |
9 | 156540650 |
10 | 70472232 |
11 | 36863916 |
12 | 1b726660 |
13 | 117a575c |
14 | 950642c |
15 | 62c09dc |
hex | 4335228 |
70472232 has 48 divisors (see below), whose sum is σ = 192172500. Its totient is φ = 23329536.
The previous prime is 70472221. The next prime is 70472239. The reversal of 70472232 is 23227407.
It can be written as a sum of positive squares in 2 ways, for example, as 70459236 + 12996 = 8394^2 + 114^2 .
It is a junction number, because it is equal to n+sod(n) for n = 70472196 and 70472205.
It is not an unprimeable number, because it can be changed into a prime (70472239) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7444 + ... + 14012.
Almost surely, 270472232 is an apocalyptic number.
70472232 is a gapful number since it is divisible by the number (72) 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 70472232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96086250).
70472232 is an abundant number, since it is smaller than the sum of its proper divisors (121700268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70472232 is a wasteful number, since it uses less digits than its factorization.
70472232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6730 (or 6723 counting only the distinct ones).
The product of its (nonzero) digits is 4704, while the sum is 27.
The square root of 70472232 is about 8394.7740886816. The cubic root of 70472232 is about 413.0532169600.
Adding to 70472232 its reverse (23227407), we get a palindrome (93699639).
The spelling of 70472232 in words is "seventy million, four hundred seventy-two thousand, two hundred thirty-two".
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