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11312946 = 23469833
BaseRepresentation
bin101011001001…
…111100110010
3210021202110000
4223021330302
510344003241
61042250430
7165105231
oct53117462
923252400
1011312946
116427647
123956a16
132461368
141706b18
15ed6eb6
hexac9f32

11312946 has 20 divisors (see below), whose sum is σ = 25349742. Its totient is φ = 3770928.

The previous prime is 11312911. The next prime is 11312963. The reversal of 11312946 is 64921311.

It can be written as a sum of positive squares in only one way, i.e., 11148921 + 164025 = 3339^2 + 405^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

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 9 ways as a sum of consecutive naturals, for example, 34755 + ... + 35078.

Almost surely, 211312946 is an apocalyptic number.

11312946 is an abundant number, since it is smaller than the sum of its proper divisors (14036796).

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

11312946 is an equidigital number, since it uses as much as digits as its factorization.

11312946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69847 (or 69838 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 11312946 is about 3363.4723129528. The cubic root of 11312946 is about 224.4873662499.

The spelling of 11312946 in words is "eleven million, three hundred twelve thousand, nine hundred forty-six".

Divisors: 1 2 3 6 9 18 27 54 81 162 69833 139666 209499 418998 628497 1256994 1885491 3770982 5656473 11312946