Base | Representation |
---|---|
bin | 1000101000001… |
… | …10000010010111 |
3 | 12001012002212001 |
4 | 10110012002113 |
5 | 122012021341 |
6 | 11103140131 |
7 | 1536122056 |
oct | 424060227 |
9 | 161162761 |
10 | 72376471 |
11 | 37944572 |
12 | 202a4647 |
13 | 11cc141b |
14 | 988039d |
15 | 6549d31 |
hex | 4506097 |
72376471 has 4 divisors (see below), whose sum is σ = 72397152. Its totient is φ = 72355792.
The previous prime is 72376441. The next prime is 72376483. The reversal of 72376471 is 17467327.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 72376471 - 215 = 72343703 is a prime.
It is a super-3 number, since 3×723764713 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 72376471.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72376441) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3646 + ... + 12571.
It is an arithmetic number, because the mean of its divisors is an integer number (18099288).
Almost surely, 272376471 is an apocalyptic number.
72376471 is a deficient number, since it is larger than the sum of its proper divisors (20681).
72376471 is a wasteful number, since it uses less digits than its factorization.
72376471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20680.
The product of its digits is 49392, while the sum is 37.
The square root of 72376471 is about 8507.4362178038. The cubic root of 72376471 is about 416.7405889822.
The spelling of 72376471 in words is "seventy-two million, three hundred seventy-six thousand, four hundred seventy-one".
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