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10720039 = 111019649
BaseRepresentation
bin101000111001…
…001100100111
3202011122010111
4220321030213
510221020124
61021433451
7160055521
oct50711447
922148114
1010720039
116062140
12370b887
1322b4525
1415d0a11
15e1b494
hexa39327

10720039 has 8 divisors (see below), whose sum is σ = 11811600. Its totient is φ = 9648000.

The previous prime is 10720033. The next prime is 10720043. The reversal of 10720039 is 93002701.

10720039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10720039 - 25 = 10720007 is a prime.

It is a super-2 number, since 2×107200392 = 229838472323042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10720033) 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, 3714 + ... + 5935.

It is an arithmetic number, because the mean of its divisors is an integer number (1476450).

Almost surely, 210720039 is an apocalyptic number.

10720039 is a deficient number, since it is larger than the sum of its proper divisors (1091561).

10720039 is a wasteful number, since it uses less digits than its factorization.

10720039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9761.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 10720039 is about 3274.1470645040. The cubic root of 10720039 is about 220.4950216806.

The spelling of 10720039 in words is "ten million, seven hundred twenty thousand, thirty-nine".

Divisors: 1 11 101 1111 9649 106139 974549 10720039