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10648885 = 5131723419
BaseRepresentation
bin101000100111…
…110100110101
3202001000112011
4220213310311
510211231020
61020124221
7156341212
oct50476465
922030464
1010648885
116013735
123696671
13228b020
1415b2b09
15e0535a
hexa27d35

10648885 has 32 divisors (see below), whose sum is σ = 15240960. Its totient is φ = 7062528.

The previous prime is 10648877. The next prime is 10648901. The reversal of 10648885 is 58884601.

It is a cyclic number.

It is not a de Polignac number, because 10648885 - 23 = 10648877 is a prime.

It is a super-2 number, since 2×106488852 = 226797503486450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 25206 + ... + 25624.

It is an arithmetic number, because the mean of its divisors is an integer number (476280).

Almost surely, 210648885 is an apocalyptic number.

It is an amenable number.

10648885 is a deficient number, since it is larger than the sum of its proper divisors (4592075).

10648885 is a wasteful number, since it uses less digits than its factorization.

10648885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 10648885 is about 3263.2629376132. The cubic root of 10648885 is about 220.0060948725.

The spelling of 10648885 in words is "ten million, six hundred forty-eight thousand, eight hundred eighty-five".

Divisors: 1 5 13 17 23 65 85 115 221 299 391 419 1105 1495 1955 2095 5083 5447 7123 9637 25415 27235 35615 48185 92599 125281 163829 462995 626405 819145 2129777 10648885