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10002055 = 57285773
BaseRepresentation
bin100110001001…
…111010000111
3200211011020111
4212021322013
510030031210
6554213451
7151005340
oct46117207
920734214
1010002055
115711768
123424287
1320c279b
1414850c7
15d2888a
hex989e87

10002055 has 8 divisors (see below), whose sum is σ = 13717152. Its totient is φ = 6858528.

The previous prime is 10002053. The next prime is 10002059. The reversal of 10002055 is 55020001.

10002055 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 10002055 - 21 = 10002053 is a prime.

It is a super-2 number, since 2×100020552 = 200082208446050, 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 (10002053) 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, 142852 + ... + 142921.

It is an arithmetic number, because the mean of its divisors is an integer number (1714644).

Almost surely, 210002055 is an apocalyptic number.

10002055 is a deficient number, since it is larger than the sum of its proper divisors (3715097).

10002055 is an equidigital number, since it uses as much as digits as its factorization.

10002055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285785.

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 10002055 is about 3162.6025675067. The cubic root of 10002055 is about 215.4582258700.

Adding to 10002055 its reverse (55020001), we get a palindrome (65022056).

The spelling of 10002055 in words is "ten million, two thousand, fifty-five".

Divisors: 1 5 7 35 285773 1428865 2000411 10002055