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11275480 = 235281887
BaseRepresentation
bin101011000000…
…110011011000
3210012212001101
4223000303120
510341303410
61041401144
7164561056
oct53006330
923185041
1011275480
116401487
1239391b4
13244a2a8
1416d71d6
15ecad3a
hexac0cd8

11275480 has 16 divisors (see below), whose sum is σ = 25369920. Its totient is φ = 4510176.

The previous prime is 11275477. The next prime is 11275483. The reversal of 11275480 is 8457211.

It is an interprime number because it is at equal distance from previous prime (11275477) and next prime (11275483).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11275483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140904 + ... + 140983.

It is an arithmetic number, because the mean of its divisors is an integer number (1585620).

Almost surely, 211275480 is an apocalyptic number.

11275480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11275480 is an abundant number, since it is smaller than the sum of its proper divisors (14094440).

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

11275480 is a wasteful number, since it uses less digits than its factorization.

11275480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281898 (or 281894 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 11275480 is about 3357.8981521184. The cubic root of 11275480 is about 224.2392745055.

The spelling of 11275480 in words is "eleven million, two hundred seventy-five thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 281887 563774 1127548 1409435 2255096 2818870 5637740 11275480