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11864929 = 17697937
BaseRepresentation
bin101101010000…
…101101100001
3211022210121211
4231100231201
511014134204
61102150121
7202564426
oct55205541
924283554
1011864929
11677432a
123b82341
1325c568b
14180bd4d
151095804
hexb50b61

11864929 has 4 divisors (see below), whose sum is σ = 12562884. Its totient is φ = 11166976.

The previous prime is 11864903. The next prime is 11864981. The reversal of 11864929 is 92946811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92946811 = 806911519.

It can be written as a sum of positive squares in 2 ways, for example, as 8714304 + 3150625 = 2952^2 + 1775^2 .

It is a cyclic number.

It is not a de Polignac number, because 11864929 - 211 = 11862881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11864891 and 11864900.

It is not an unprimeable number, because it can be changed into a prime (11864989) 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 3 ways as a sum of consecutive naturals, for example, 348952 + ... + 348985.

It is an arithmetic number, because the mean of its divisors is an integer number (3140721).

Almost surely, 211864929 is an apocalyptic number.

It is an amenable number.

11864929 is a deficient number, since it is larger than the sum of its proper divisors (697955).

11864929 is an equidigital number, since it uses as much as digits as its factorization.

11864929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697954.

The product of its digits is 31104, while the sum is 40.

The square root of 11864929 is about 3444.5506238115. The cubic root of 11864929 is about 228.0806181002.

The spelling of 11864929 in words is "eleven million, eight hundred sixty-four thousand, nine hundred twenty-nine".

Divisors: 1 17 697937 11864929