Base | Representation |
---|---|
bin | 1000100110001… |
… | …00100001111000 |
3 | 12000200110210022 |
4 | 10103010201320 |
5 | 121424430102 |
6 | 11053310012 |
7 | 1533623564 |
oct | 423044170 |
9 | 160613708 |
10 | 72108152 |
11 | 37780a16 |
12 | 20195308 |
13 | 11c2925c |
14 | 98106a4 |
15 | 64e55a2 |
hex | 44c4878 |
72108152 has 64 divisors (see below), whose sum is σ = 151632000. Its totient is φ = 31983616.
The previous prime is 72108131. The next prime is 72108191. The reversal of 72108152 is 25180127.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185174 + ... + 185562.
It is an arithmetic number, because the mean of its divisors is an integer number (2369250).
Almost surely, 272108152 is an apocalyptic number.
It is an amenable number.
72108152 is an abundant number, since it is smaller than the sum of its proper divisors (79523848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72108152 is a wasteful number, since it uses less digits than its factorization.
72108152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 488 (or 484 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 26.
The square root of 72108152 is about 8491.6519005433. The cubic root of 72108152 is about 416.2249615350.
Adding to 72108152 its reverse (25180127), we get a palindrome (97288279).
The spelling of 72108152 in words is "seventy-two million, one hundred eight thousand, one hundred fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •