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11885497 = 13914269
BaseRepresentation
bin101101010101…
…101110111001
3211100211211121
4231111232321
511020313442
61102425241
7203011411
oct55255671
924324747
1011885497
116788828
123b92221
132601b50
141815641
15109b967
hexb55bb9

11885497 has 4 divisors (see below), whose sum is σ = 12799780. Its totient is φ = 10971216.

The previous prime is 11885459. The next prime is 11885513. The reversal of 11885497 is 79458811.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3728761 + 8156736 = 1931^2 + 2856^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11885497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11885437) 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, 457122 + ... + 457147.

It is an arithmetic number, because the mean of its divisors is an integer number (3199945).

Almost surely, 211885497 is an apocalyptic number.

It is an amenable number.

11885497 is a deficient number, since it is larger than the sum of its proper divisors (914283).

11885497 is an equidigital number, since it uses as much as digits as its factorization.

11885497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914282.

The product of its digits is 80640, while the sum is 43.

The square root of 11885497 is about 3447.5349164294. The cubic root of 11885497 is about 228.2123355349.

The spelling of 11885497 in words is "eleven million, eight hundred eighty-five thousand, four hundred ninety-seven".

Divisors: 1 13 914269 11885497