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10055620 = 225502781
BaseRepresentation
bin100110010110…
…111111000100
3200220212201101
4212112333010
510033234440
6555305444
7151320451
oct46267704
920825641
1010055620
115748a33
12344b284
132110c93
14149a828
15d3969a
hex996fc4

10055620 has 12 divisors (see below), whose sum is σ = 21116844. Its totient is φ = 4022240.

The previous prime is 10055597. The next prime is 10055621. The reversal of 10055620 is 2655001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7929856 + 2125764 = 2816^2 + 1458^2 .

It is a super-2 number, since 2×100556202 = 202230987168800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10055621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251371 + ... + 251410.

It is an arithmetic number, because the mean of its divisors is an integer number (1759737).

Almost surely, 210055620 is an apocalyptic number.

10055620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10055620 is an abundant number, since it is smaller than the sum of its proper divisors (11061224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10055620 is a wasteful number, since it uses less digits than its factorization.

10055620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502790 (or 502788 counting only the distinct ones).

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

The square root of 10055620 is about 3171.0597597649. The cubic root of 10055620 is about 215.8421629273.

It can be divided in two parts, 100556 and 20, that added together give a triangular number (100576 = T448).

The spelling of 10055620 in words is "ten million, fifty-five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 502781 1005562 2011124 2513905 5027810 10055620