Base | Representation |
---|---|
bin | 1000101000010… |
… | …00010101010010 |
3 | 12001012120202022 |
4 | 10110020111102 |
5 | 122012321444 |
6 | 11103251442 |
7 | 1536161351 |
oct | 424102522 |
9 | 161176668 |
10 | 72385874 |
11 | 37950640 |
12 | 202a9b82 |
13 | 11cc57a2 |
14 | 9883998 |
15 | 654c9ee |
hex | 4508552 |
72385874 has 8 divisors (see below), whose sum is σ = 118449648. Its totient is φ = 32902660.
The previous prime is 72385867. The next prime is 72385889. The reversal of 72385874 is 47858327.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×723858743 (a number of 25 digits) contains 333 as substring.
It is an alternating number because its digits alternate between odd and even.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645112 + ... + 1645155.
It is an arithmetic number, because the mean of its divisors is an integer number (14806206).
Almost surely, 272385874 is an apocalyptic number.
72385874 is a deficient number, since it is larger than the sum of its proper divisors (46063774).
72385874 is a wasteful number, since it uses less digits than its factorization.
72385874 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3290280.
The product of its digits is 376320, while the sum is 44.
The square root of 72385874 is about 8507.9888340312. The cubic root of 72385874 is about 416.7586355564.
The spelling of 72385874 in words is "seventy-two million, three hundred eighty-five thousand, eight hundred seventy-four".
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