Base | Representation |
---|---|
bin | 1000100110001… |
… | …01100110111101 |
3 | 12000200200212001 |
4 | 10103011212331 |
5 | 121430100243 |
6 | 11053342301 |
7 | 1533642511 |
oct | 423054675 |
9 | 160620761 |
10 | 72112573 |
11 | 37784275 |
12 | 20197991 |
13 | 11c2b280 |
14 | 9812141 |
15 | 64e6a4d |
hex | 44c59bd |
72112573 has 16 divisors (see below), whose sum is σ = 79632000. Its totient is φ = 64895040.
The previous prime is 72112561. The next prime is 72112583. The reversal of 72112573 is 37521127.
It is a cyclic number.
It is not a de Polignac number, because 72112573 - 213 = 72104381 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72112583) 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, 113968 + ... + 114598.
It is an arithmetic number, because the mean of its divisors is an integer number (4977000).
Almost surely, 272112573 is an apocalyptic number.
It is an amenable number.
72112573 is a deficient number, since it is larger than the sum of its proper divisors (7519427).
72112573 is a wasteful number, since it uses less digits than its factorization.
72112573 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 852.
The product of its digits is 2940, while the sum is 28.
The square root of 72112573 is about 8491.9122110394. The cubic root of 72112573 is about 416.2334677067.
The spelling of 72112573 in words is "seventy-two million, one hundred twelve thousand, five hundred seventy-three".
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