Base | Representation |
---|---|
bin | 1000101011110… |
… | …10101000111111 |
3 | 12002002101000020 |
4 | 10111322220333 |
5 | 122122312304 |
6 | 11121303223 |
7 | 1543151364 |
oct | 425725077 |
9 | 162071006 |
10 | 72854079 |
11 | 38140391 |
12 | 20494b13 |
13 | 1212a92c |
14 | 996646b |
15 | 65e15d9 |
hex | 457aa3f |
72854079 has 4 divisors (see below), whose sum is σ = 97138776. Its totient is φ = 48569384.
The previous prime is 72854057. The next prime is 72854101. The reversal of 72854079 is 97045827.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97045827 = 3 ⋅32348609.
It is an interprime number because it is at equal distance from previous prime (72854057) and next prime (72854101).
It is a cyclic number.
It is not a de Polignac number, because 72854079 - 27 = 72853951 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 72854079.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72854029) 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, 12142344 + ... + 12142349.
It is an arithmetic number, because the mean of its divisors is an integer number (24284694).
Almost surely, 272854079 is an apocalyptic number.
72854079 is a deficient number, since it is larger than the sum of its proper divisors (24284697).
72854079 is a wasteful number, since it uses less digits than its factorization.
72854079 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24284696.
The product of its (nonzero) digits is 141120, while the sum is 42.
The square root of 72854079 is about 8535.4600930471. The cubic root of 72854079 is about 417.6552620328.
The spelling of 72854079 in words is "seventy-two million, eight hundred fifty-four thousand, seventy-nine".
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