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10620253 = 71517179
BaseRepresentation
bin101000100000…
…110101011101
3201222120020201
4220200311131
510204322003
61015343501
7156161560
oct50406535
921876221
1010620253
115aa4176
123681b91
13227ac97
1415a64d7
15debb1d
hexa20d5d

10620253 has 4 divisors (see below), whose sum is σ = 12137440. Its totient is φ = 9103068.

The previous prime is 10620241. The next prime is 10620289. The reversal of 10620253 is 35202601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35202601 = 75028943.

It is a cyclic number.

It is not a de Polignac number, because 10620253 - 213 = 10612061 is a prime.

It is a super-2 number, since 2×106202532 = 225579547568018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10620253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10620553) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 758583 + ... + 758596.

It is an arithmetic number, because the mean of its divisors is an integer number (3034360).

Almost surely, 210620253 is an apocalyptic number.

It is an amenable number.

10620253 is a deficient number, since it is larger than the sum of its proper divisors (1517187).

10620253 is an equidigital number, since it uses as much as digits as its factorization.

10620253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517186.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 10620253 is about 3258.8729646919. The cubic root of 10620253 is about 219.8087387302.

Adding to 10620253 its reverse (35202601), we get a palindrome (45822854).

The spelling of 10620253 in words is "ten million, six hundred twenty thousand, two hundred fifty-three".

Divisors: 1 7 1517179 10620253