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11162021 = 137871091
BaseRepresentation
bin101010100101…
…000110100101
3210000002102012
4222211012211
510324141041
61035124005
7163606223
oct52450645
923002365
1011162021
116334212
1238a3605
13240a760
1416a7b13
15ea73eb
hexaa51a5

11162021 has 8 divisors (see below), whose sum is σ = 12046944. Its totient is φ = 10280880.

The previous prime is 11162009. The next prime is 11162029. The reversal of 11162021 is 12026111.

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

It is a cyclic number.

It is not a de Polignac number, because 11162021 - 222 = 6967717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11161987 and 11162005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11162029) 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, 9686 + ... + 10776.

It is an arithmetic number, because the mean of its divisors is an integer number (1505868).

Almost surely, 211162021 is an apocalyptic number.

It is an amenable number.

11162021 is a deficient number, since it is larger than the sum of its proper divisors (884923).

11162021 is a wasteful number, since it uses less digits than its factorization.

11162021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 11162021 is about 3340.9610892676. The cubic root of 11162021 is about 223.4846050718.

Adding to 11162021 its reverse (12026111), we get a palindrome (23188132).

The spelling of 11162021 in words is "eleven million, one hundred sixty-two thousand, twenty-one".

Divisors: 1 13 787 1091 10231 14183 858617 11162021