Base | Representation |
---|---|
bin | 1000101001001… |
… | …10110100010101 |
3 | 12001102221001000 |
4 | 10110212310111 |
5 | 122030320431 |
6 | 11110053513 |
7 | 1540221402 |
oct | 424466425 |
9 | 161387030 |
10 | 72510741 |
11 | 37a26436 |
12 | 2034a299 |
13 | 1203a584 |
14 | 98b72a9 |
15 | 65749e6 |
hex | 4526d15 |
72510741 has 8 divisors (see below), whose sum is σ = 107423360. Its totient is φ = 48340476.
The previous prime is 72510721. The next prime is 72510749. The reversal of 72510741 is 14701527.
It is not a de Polignac number, because 72510741 - 26 = 72510677 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2685583 = 72510741 / (7 + 2 + 5 + 1 + 0 + 7 + 4 + 1).
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72510749) 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, 1342765 + ... + 1342818.
It is an arithmetic number, because the mean of its divisors is an integer number (13427920).
Almost surely, 272510741 is an apocalyptic number.
It is an amenable number.
72510741 is a deficient number, since it is larger than the sum of its proper divisors (34912619).
72510741 is a wasteful number, since it uses less digits than its factorization.
72510741 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2685592 (or 2685586 counting only the distinct ones).
The product of its (nonzero) digits is 1960, while the sum is 27.
The square root of 72510741 is about 8515.3238928417. The cubic root of 72510741 is about 416.9981367341.
The spelling of 72510741 in words is "seventy-two million, five hundred ten thousand, seven hundred forty-one".
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