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10628399 = 83128053
BaseRepresentation
bin101000100010…
…110100101111
3201222222102102
4220202310233
510210102044
61015445315
7156224405
oct50426457
921888372
1010628399
115aaa301
12368683b
1322818c2
1415a9475
15dee24e
hexa22d2f

10628399 has 4 divisors (see below), whose sum is σ = 10756536. Its totient is φ = 10500264.

The previous prime is 10628377. The next prime is 10628419. The reversal of 10628399 is 99382601.

10628399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10628399 is a prime.

It is a super-2 number, since 2×106283992 = 225925730606402, 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 (10628309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63944 + ... + 64109.

It is an arithmetic number, because the mean of its divisors is an integer number (2689134).

Almost surely, 210628399 is an apocalyptic number.

10628399 is a deficient number, since it is larger than the sum of its proper divisors (128137).

10628399 is an equidigital number, since it uses as much as digits as its factorization.

10628399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128136.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 10628399 is about 3260.1225437091. The cubic root of 10628399 is about 219.8649239698.

The spelling of 10628399 in words is "ten million, six hundred twenty-eight thousand, three hundred ninety-nine".

Divisors: 1 83 128053 10628399