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11148081 = 37530861
BaseRepresentation
bin101010100001…
…101100110001
3202222101021220
4222201230301
510323214311
61034535253
7163520460
oct52415461
922871256
1011148081
11632479a
123897529
1324042c9
1416a29d7
15ea3206
hexaa1b31

11148081 has 8 divisors (see below), whose sum is σ = 16987584. Its totient is φ = 6370320.

The previous prime is 11148061. The next prime is 11148083. The reversal of 11148081 is 18084111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11148081 - 26 = 11148017 is a prime.

It is a super-2 number, since 2×111480812 = 248559419965122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11148083) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 265410 + ... + 265451.

It is an arithmetic number, because the mean of its divisors is an integer number (2123448).

Almost surely, 211148081 is an apocalyptic number.

It is an amenable number.

11148081 is a deficient number, since it is larger than the sum of its proper divisors (5839503).

11148081 is an equidigital number, since it uses as much as digits as its factorization.

11148081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530871.

The product of its (nonzero) digits is 256, while the sum is 24.

The square root of 11148081 is about 3338.8742114671. The cubic root of 11148081 is about 223.3915313294.

The spelling of 11148081 in words is "eleven million, one hundred forty-eight thousand, eighty-one".

Divisors: 1 3 7 21 530861 1592583 3716027 11148081