Base | Representation |
---|---|
bin | 1110001100011101… |
… | …10101100011101100 |
3 | 201200002202222110120 |
4 | 13012032311203230 |
5 | 111101402323302 |
6 | 3300111004540 |
7 | 356564160525 |
oct | 70616654354 |
9 | 21602688416 |
10 | 7620745452 |
11 | 3260791941 |
12 | 1588209750 |
13 | 945ab6348 |
14 | 52418384c |
15 | 2e90839bc |
hex | 1c63b58ec |
7620745452 has 24 divisors (see below), whose sum is σ = 17784053616. Its totient is φ = 2539917888.
The previous prime is 7620745427. The next prime is 7620745459. The reversal of 7620745452 is 2545470267.
It is a super-2 number, since 2×76207454522 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (7620745459) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65838 + ... + 139914.
It is an arithmetic number, because the mean of its divisors is an integer number (741002234).
Almost surely, 27620745452 is an apocalyptic number.
It is an amenable number.
7620745452 is an abundant number, since it is smaller than the sum of its proper divisors (10163308164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7620745452 is a wasteful number, since it uses less digits than its factorization.
7620745452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82657 (or 82655 counting only the distinct ones).
The product of its (nonzero) digits is 470400, while the sum is 42.
The square root of 7620745452 is about 87296.8811126721. The cubic root of 7620745452 is about 1967.8824465857.
The spelling of 7620745452 in words is "seven billion, six hundred twenty million, seven hundred forty-five thousand, four hundred fifty-two".
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