Base | Representation |
---|---|
bin | 1000100111111… |
… | …01100100000000 |
3 | 12001010100020110 |
4 | 10103331210000 |
5 | 122004414020 |
6 | 11102311320 |
7 | 1535615631 |
oct | 423754400 |
9 | 161110213 |
10 | 72341760 |
11 | 37920487 |
12 | 20288540 |
13 | 11cab69a |
14 | 9871888 |
15 | 653e8e0 |
hex | 44fd900 |
72341760 has 72 divisors (see below), whose sum is σ = 231053760. Its totient is φ = 19290112.
The previous prime is 72341723. The next prime is 72341761. The reversal of 72341760 is 6714327.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is not an unprimeable number, because it can be changed into a prime (72341761) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5580 + ... + 13259.
It is an arithmetic number, because the mean of its divisors is an integer number (3209080).
Almost surely, 272341760 is an apocalyptic number.
It is an amenable number.
72341760 is an abundant number, since it is smaller than the sum of its proper divisors (158712000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72341760 is a wasteful number, since it uses less digits than its factorization.
72341760 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18863 (or 18849 counting only the distinct ones).
The product of its (nonzero) digits is 7056, while the sum is 30.
The square root of 72341760 is about 8505.3959343466. The cubic root of 72341760 is about 416.6739568502.
The spelling of 72341760 in words is "seventy-two million, three hundred forty-one thousand, seven hundred sixty".
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