Base | Representation |
---|---|
bin | 1000101001001… |
… | …10110011101100 |
3 | 12001102220222111 |
4 | 10110212303230 |
5 | 122030320300 |
6 | 11110053404 |
7 | 1540221313 |
oct | 424466354 |
9 | 161386874 |
10 | 72510700 |
11 | 37a263a9 |
12 | 2034a264 |
13 | 1203a552 |
14 | 98b727a |
15 | 65749ba |
hex | 4526cec |
72510700 has 36 divisors (see below), whose sum is σ = 159941152. Its totient is φ = 28526400.
The previous prime is 72510689. The next prime is 72510721. The reversal of 72510700 is 701527.
It is a super-2 number, since 2×725107002 = 10515603228980000, which contains 22 as substring.
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, 157 + ... + 12043.
Almost surely, 272510700 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 72510700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79970576).
72510700 is an abundant number, since it is smaller than the sum of its proper divisors (87430452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72510700 is a wasteful number, since it uses less digits than its factorization.
72510700 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11962 (or 11955 counting only the distinct ones).
The product of its (nonzero) digits is 490, while the sum is 22.
The square root of 72510700 is about 8515.3214854167. The cubic root of 72510700 is about 416.9980581392.
The spelling of 72510700 in words is "seventy-two million, five hundred ten thousand, seven hundred".
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