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10620055 = 52124011
BaseRepresentation
bin101000100000…
…110010010111
3201222112222101
4220200302113
510204320210
61015342531
7156161155
oct50406227
921875871
1010620055
115aa4006
123681a47
13227ab74
1415a63d5
15deba3a
hexa20c97

10620055 has 4 divisors (see below), whose sum is σ = 12744072. Its totient is φ = 8496040.

The previous prime is 10620041. The next prime is 10620067. The reversal of 10620055 is 55002601.

It is a happy number.

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

It is not a de Polignac number, because 10620055 - 25 = 10620023 is a prime.

It is a super-2 number, since 2×106200552 = 225571136406050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062001 + ... + 1062010.

It is an arithmetic number, because the mean of its divisors is an integer number (3186018).

Almost surely, 210620055 is an apocalyptic number.

10620055 is a deficient number, since it is larger than the sum of its proper divisors (2124017).

10620055 is an equidigital number, since it uses as much as digits as its factorization.

10620055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124016.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 10620055 is about 3258.8425859498. The cubic root of 10620055 is about 219.8073727112.

Adding to 10620055 its reverse (55002601), we get a palindrome (65622656).

The spelling of 10620055 in words is "ten million, six hundred twenty thousand, fifty-five".

Divisors: 1 5 2124011 10620055