Base | Representation |
---|---|
bin | 1000101010000… |
… | …00100100111110 |
3 | 12001122021202220 |
4 | 10111000210332 |
5 | 122042210004 |
6 | 11112230210 |
7 | 1541141124 |
oct | 425004476 |
9 | 161567686 |
10 | 72616254 |
11 | 37a98737 |
12 | 2039b366 |
13 | 120765c9 |
14 | 9903914 |
15 | 6595dd9 |
hex | 454093e |
72616254 has 16 divisors (see below), whose sum is σ = 147973392. Its totient is φ = 23748608.
The previous prime is 72616249. The next prime is 72616277. The reversal of 72616254 is 45261627.
It is a congruent number.
It is an unprimeable number.
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, 113859 + ... + 114494.
It is an arithmetic number, because the mean of its divisors is an integer number (9248337).
Almost surely, 272616254 is an apocalyptic number.
72616254 is an abundant number, since it is smaller than the sum of its proper divisors (75357138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72616254 is a wasteful number, since it uses less digits than its factorization.
72616254 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 228411.
The product of its digits is 20160, while the sum is 33.
The square root of 72616254 is about 8521.5171184479. The cubic root of 72616254 is about 417.2003017267.
The spelling of 72616254 in words is "seventy-two million, six hundred sixteen thousand, two hundred fifty-four".
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