Base | Representation |
---|---|
bin | 1000101011000… |
… | …01111111000010 |
3 | 12001220020110220 |
4 | 10111201333002 |
5 | 122111044330 |
6 | 11115203510 |
7 | 1542251064 |
oct | 425417702 |
9 | 161806426 |
10 | 72753090 |
11 | 38081523 |
12 | 20446596 |
13 | 120c3987 |
14 | 993b734 |
15 | 65c1710 |
hex | 4561fc2 |
72753090 has 32 divisors (see below), whose sum is σ = 183798720. Its totient is φ = 18379584.
The previous prime is 72753067. The next prime is 72753091. The reversal of 72753090 is 9035727.
It is not an unprimeable number, because it can be changed into a prime (72753091) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63249 + ... + 64388.
It is an arithmetic number, because the mean of its divisors is an integer number (5743710).
Almost surely, 272753090 is an apocalyptic number.
72753090 is an abundant number, since it is smaller than the sum of its proper divisors (111045630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72753090 is a wasteful number, since it uses less digits than its factorization.
72753090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 127666.
The product of its (nonzero) digits is 13230, while the sum is 33.
The square root of 72753090 is about 8529.5421917006. The cubic root of 72753090 is about 417.4621907506.
The spelling of 72753090 in words is "seventy-two million, seven hundred fifty-three thousand, ninety".
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