Base | Representation |
---|---|
bin | 1000100111100… |
… | …11011111001100 |
3 | 12001001020122000 |
4 | 10103303133030 |
5 | 122002103432 |
6 | 11101352300 |
7 | 1535354415 |
oct | 423633714 |
9 | 161036560 |
10 | 72300492 |
11 | 378a2480 |
12 | 20268690 |
13 | 11c95974 |
14 | 986080c |
15 | 653257c |
hex | 44f37cc |
72300492 has 48 divisors (see below), whose sum is σ = 204489600. Its totient is φ = 21908880.
The previous prime is 72300469. The next prime is 72300493. The reversal of 72300492 is 29400327.
It is a super-2 number, since 2×723004922 = 10454722286884128, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (72300493) 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, 29242 + ... + 31617.
It is an arithmetic number, because the mean of its divisors is an integer number (4260200).
Almost surely, 272300492 is an apocalyptic number.
It is an amenable number.
72300492 is an abundant number, since it is smaller than the sum of its proper divisors (132189108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72300492 is a wasteful number, since it uses less digits than its factorization.
72300492 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60883 (or 60875 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 72300492 is about 8502.9695989107. The cubic root of 72300492 is about 416.5947099919.
The spelling of 72300492 in words is "seventy-two million, three hundred thousand, four hundred ninety-two".
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