Base | Representation |
---|---|
bin | 1000100110001… |
… | …11010010111101 |
3 | 12000201001100001 |
4 | 10103013102331 |
5 | 121430310420 |
6 | 11053434301 |
7 | 1534001614 |
oct | 423072275 |
9 | 160631301 |
10 | 72119485 |
11 | 37789489 |
12 | 2019b991 |
13 | 11c31469 |
14 | 981487b |
15 | 64e8b0a |
hex | 44c74bd |
72119485 has 16 divisors (see below), whose sum is σ = 91031040. Its totient is φ = 54774720.
The previous prime is 72119483. The next prime is 72119501. The reversal of 72119485 is 58491127.
It is not a de Polignac number, because 72119485 - 21 = 72119483 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72119483) 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, 3826 + ... + 12604.
It is an arithmetic number, because the mean of its divisors is an integer number (5689440).
Almost surely, 272119485 is an apocalyptic number.
It is an amenable number.
72119485 is a deficient number, since it is larger than the sum of its proper divisors (18911555).
72119485 is a wasteful number, since it uses less digits than its factorization.
72119485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8868.
The product of its digits is 20160, while the sum is 37.
The square root of 72119485 is about 8492.3191767620. The cubic root of 72119485 is about 416.2467659601.
The spelling of 72119485 in words is "seventy-two million, one hundred nineteen thousand, four hundred eighty-five".
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