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11312898 = 2337131389
BaseRepresentation
bin101011001001…
…111100000010
3210021202101020
4223021330002
510344003043
61042250310
7165105132
oct53117402
923252336
1011312898
116427603
123956996
13246132c
141706ac2
15ed6e83
hexac9f02

11312898 has 32 divisors (see below), whose sum is σ = 23474880. Its totient is φ = 3631680.

The previous prime is 11312893. The next prime is 11312911. The reversal of 11312898 is 89821311.

It is a super-2 number, since 2×113128982 = 255963322316808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11312893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28888 + ... + 29276.

It is an arithmetic number, because the mean of its divisors is an integer number (733590).

Almost surely, 211312898 is an apocalyptic number.

11312898 is an abundant number, since it is smaller than the sum of its proper divisors (12161982).

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

11312898 is a wasteful number, since it uses less digits than its factorization.

11312898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562.

The product of its digits is 3456, while the sum is 33.

The square root of 11312898 is about 3363.4651774621. The cubic root of 11312898 is about 224.4870487549.

The spelling of 11312898 in words is "eleven million, three hundred twelve thousand, eight hundred ninety-eight".

Divisors: 1 2 3 6 37 74 111 131 222 262 389 393 778 786 1167 2334 4847 9694 14393 14541 28786 29082 43179 50959 86358 101918 152877 305754 1885483 3770966 5656449 11312898