Base | Representation |
---|---|
bin | 1000100011110… |
… | …00010101101000 |
3 | 12000002121200210 |
4 | 10101320111220 |
5 | 121334433242 |
6 | 11042501120 |
7 | 1531153665 |
oct | 421702550 |
9 | 160077623 |
10 | 71796072 |
11 | 375884a7 |
12 | 200647a0 |
13 | 11b4a1aa |
14 | 976ca6c |
15 | 6482d9c |
hex | 4478568 |
71796072 has 32 divisors (see below), whose sum is σ = 183312000. Its totient is φ = 23422464.
The previous prime is 71796013. The next prime is 71796089. The reversal of 71796072 is 27069717.
It is a self number, because there is not a number n which added to its sum of digits gives 71796072.
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, 30697 + ... + 32952.
It is an arithmetic number, because the mean of its divisors is an integer number (5728500).
Almost surely, 271796072 is an apocalyptic number.
It is an amenable number.
71796072 is an abundant number, since it is smaller than the sum of its proper divisors (111515928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71796072 is a wasteful number, since it uses less digits than its factorization.
71796072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63705 (or 63701 counting only the distinct ones).
The product of its (nonzero) digits is 37044, while the sum is 39.
The square root of 71796072 is about 8473.2562807931. The cubic root of 71796072 is about 415.6236271611.
The spelling of 71796072 in words is "seventy-one million, seven hundred ninety-six thousand, seventy-two".
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