Base | Representation |
---|---|
bin | 1000101011001… |
… | …01000110110100 |
3 | 12001220220000110 |
4 | 10111211012310 |
5 | 122112002001 |
6 | 11115343020 |
7 | 1542333261 |
oct | 425450664 |
9 | 161826013 |
10 | 72765876 |
11 | 38090097 |
12 | 20451a70 |
13 | 120c9741 |
14 | 9942268 |
15 | 65c53d6 |
hex | 45651b4 |
72765876 has 24 divisors (see below), whose sum is σ = 170773344. Its totient is φ = 24114400.
The previous prime is 72765871. The next prime is 72765881. The reversal of 72765876 is 67856727.
It is an interprime number because it is at equal distance from previous prime (72765871) and next prime (72765881).
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72765871) 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, 15450 + ... + 19601.
It is an arithmetic number, because the mean of its divisors is an integer number (7115556).
Almost surely, 272765876 is an apocalyptic number.
It is an amenable number.
72765876 is an abundant number, since it is smaller than the sum of its proper divisors (98007468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72765876 is a wasteful number, since it uses less digits than its factorization.
72765876 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35231 (or 35229 counting only the distinct ones).
The product of its digits is 987840, while the sum is 48.
The square root of 72765876 is about 8530.2916714495. The cubic root of 72765876 is about 417.4866449647.
The spelling of 72765876 in words is "seventy-two million, seven hundred sixty-five thousand, eight hundred seventy-six".
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