Base | Representation |
---|---|
bin | 1000101000100… |
… | …01111000001000 |
3 | 12001021120101020 |
4 | 10110101320020 |
5 | 122020044333 |
6 | 11104152440 |
7 | 1536413340 |
oct | 424217010 |
9 | 161246336 |
10 | 72424968 |
11 | 37977a50 |
12 | 20308720 |
13 | 1200a515 |
14 | 9893d20 |
15 | 65593b3 |
hex | 4511e08 |
72424968 has 64 divisors (see below), whose sum is σ = 225745920. Its totient is φ = 18811200.
The previous prime is 72424951. The next prime is 72424969. The reversal of 72424968 is 86942427.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (72424969) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17748 + ... + 21443.
It is an arithmetic number, because the mean of its divisors is an integer number (3527280).
Almost surely, 272424968 is an apocalyptic number.
It is an amenable number.
72424968 is an abundant number, since it is smaller than the sum of its proper divisors (153320952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72424968 is a wasteful number, since it uses less digits than its factorization.
72424968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39218 (or 39214 counting only the distinct ones).
The product of its digits is 193536, while the sum is 42.
The square root of 72424968 is about 8510.2860116450. The cubic root of 72424968 is about 416.8336494091.
The spelling of 72424968 in words is "seventy-two million, four hundred twenty-four thousand, nine hundred sixty-eight".
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