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11313020 = 225565651
BaseRepresentation
bin101011001001…
…111101111100
3210021202112202
4223021331330
510344004040
61042251032
7165105365
oct53117574
923252482
1011313020
116427704
123956a78
1324613c4
141706b6c
15ed7015
hexac9f7c

11313020 has 12 divisors (see below), whose sum is σ = 23757384. Its totient is φ = 4525200.

The previous prime is 11312993. The next prime is 11313059. The reversal of 11313020 is 2031311.

It is a junction number, because it is equal to n+sod(n) for n = 11312992 and 11313010.

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, 282806 + ... + 282845.

It is an arithmetic number, because the mean of its divisors is an integer number (1979782).

Almost surely, 211313020 is an apocalyptic number.

11313020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11313020 is an abundant number, since it is smaller than the sum of its proper divisors (12444364).

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

11313020 is a wasteful number, since it uses less digits than its factorization.

11313020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565660 (or 565658 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 11313020 is about 3363.4833134713. The cubic root of 11313020 is about 224.4878557194.

Adding to 11313020 its reverse (2031311), we get a palindrome (13344331).

The spelling of 11313020 in words is "eleven million, three hundred thirteen thousand, twenty".

Divisors: 1 2 4 5 10 20 565651 1131302 2262604 2828255 5656510 11313020