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11275038 = 23479881
BaseRepresentation
bin101011000000…
…101100011110
3210012211110000
4223000230132
510341300123
61041355130
7164556555
oct53005436
923184400
1011275038
116401115
123938aa6
13244a028
1416d6d9c
15ecab43
hexac0b1e

11275038 has 40 divisors (see below), whose sum is σ = 25613280. Its totient is φ = 3706560.

The previous prime is 11275021. The next prime is 11275051. The reversal of 11275038 is 83057211.

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

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 12358 + ... + 13238.

It is an arithmetic number, because the mean of its divisors is an integer number (640332).

Almost surely, 211275038 is an apocalyptic number.

11275038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11275038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12806640).

11275038 is an abundant number, since it is smaller than the sum of its proper divisors (14338242).

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

11275038 is an equidigital number, since it uses as much as digits as its factorization.

11275038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 11275038 is about 3357.8323364933. The cubic root of 11275038 is about 224.2363443995.

The spelling of 11275038 in words is "eleven million, two hundred seventy-five thousand, thirty-eight".

Divisors: 1 2 3 6 9 18 27 54 79 81 158 162 237 474 711 881 1422 1762 2133 2643 4266 5286 6399 7929 12798 15858 23787 47574 69599 71361 139198 142722 208797 417594 626391 1252782 1879173 3758346 5637519 11275038