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10990260 = 2232561057
BaseRepresentation
bin101001111011…
…001010110100
3202200100210200
4221323022310
510303142020
61031320500
7162262401
oct51731264
922610720
1010990260
116227166
123820130
13237a518
1416612a8
15e71590
hexa7b2b4

10990260 has 36 divisors (see below), whose sum is σ = 33337668. Its totient is φ = 2930688.

The previous prime is 10990253. The next prime is 10990261. The reversal of 10990260 is 6209901.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7257636 + 3732624 = 2694^2 + 1932^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10990261) 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 11 ways as a sum of consecutive naturals, for example, 30349 + ... + 30708.

Almost surely, 210990260 is an apocalyptic number.

10990260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10990260 is an abundant number, since it is smaller than the sum of its proper divisors (22347408).

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

10990260 is a wasteful number, since it uses less digits than its factorization.

10990260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61072 (or 61067 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 10990260 is about 3315.1561049218. The cubic root of 10990260 is about 222.3323485640.

The spelling of 10990260 in words is "ten million, nine hundred ninety thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 61057 122114 183171 244228 305285 366342 549513 610570 732684 915855 1099026 1221140 1831710 2198052 2747565 3663420 5495130 10990260