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11254980 = 22351117053
BaseRepresentation
bin101010111011…
…110011000100
3210011210221010
4222323303010
510340124410
61041122220
7164444232
oct52736304
923153833
1011254980
116398040
123929370
132440b69
1416cd952
15ec4c20
hexabbcc4

11254980 has 48 divisors (see below), whose sum is σ = 34380864. Its totient is φ = 2728320.

The previous prime is 11254979. The next prime is 11255021. The reversal of 11254980 is 8945211.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 7867 + ... + 9186.

It is an arithmetic number, because the mean of its divisors is an integer number (716268).

Almost surely, 211254980 is an apocalyptic number.

11254980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11254980 is an abundant number, since it is smaller than the sum of its proper divisors (23125884).

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

11254980 is a wasteful number, since it uses less digits than its factorization.

11254980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17076 (or 17074 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 11254980 is about 3354.8442586803. The cubic root of 11254980 is about 224.1032952588.

It can be divided in two parts, 1125 and 4980, that added together give a triangular number (6105 = T110).

The spelling of 11254980 in words is "eleven million, two hundred fifty-four thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 17053 34106 51159 68212 85265 102318 170530 187583 204636 255795 341060 375166 511590 562749 750332 937915 1023180 1125498 1875830 2250996 2813745 3751660 5627490 11254980