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11049380 = 225552469
BaseRepresentation
bin101010001001…
…100110100100
3202210100220022
4222021212210
510312040010
61032454312
7162626636
oct52114644
922710808
1011049380
116267621
12384a398
13239b3c4
141678a56
15e83d55
hexa899a4

11049380 has 12 divisors (see below), whose sum is σ = 23203740. Its totient is φ = 4419744.

The previous prime is 11049373. The next prime is 11049383. The reversal of 11049380 is 8394011.

It can be written as a sum of positive squares in 2 ways, for example, as 5914624 + 5134756 = 2432^2 + 2266^2 .

It is not an unprimeable number, because it can be changed into a prime (11049383) 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, 276215 + ... + 276254.

It is an arithmetic number, because the mean of its divisors is an integer number (1933645).

Almost surely, 211049380 is an apocalyptic number.

11049380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11049380 is an abundant number, since it is smaller than the sum of its proper divisors (12154360).

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

11049380 is a wasteful number, since it uses less digits than its factorization.

11049380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552478 (or 552476 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 11049380 is about 3324.0607696009. The cubic root of 11049380 is about 222.7303006164.

The spelling of 11049380 in words is "eleven million, forty-nine thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 552469 1104938 2209876 2762345 5524690 11049380