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11420717 = 711831787
BaseRepresentation
bin101011100100…
…010000101101
3210111020021112
4223210100231
510410430332
61044441405
7166034360
oct53442055
923436245
1011420717
1164a0610
1239a9265
13249b429
1417340d7
151008db2
hexae442d

11420717 has 16 divisors (see below), whose sum is σ = 14418432. Its totient is φ = 8787120.

The previous prime is 11420713. The next prime is 11420789. The reversal of 11420717 is 71702411.

It is a cyclic number.

It is not a de Polignac number, because 11420717 - 22 = 11420713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11420692 and 11420701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420713) 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 15 ways as a sum of consecutive naturals, for example, 5498 + ... + 7284.

It is an arithmetic number, because the mean of its divisors is an integer number (901152).

Almost surely, 211420717 is an apocalyptic number.

It is an amenable number.

11420717 is a deficient number, since it is larger than the sum of its proper divisors (2997715).

11420717 is a wasteful number, since it uses less digits than its factorization.

11420717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 11420717 is about 3379.4551335977. The cubic root of 11420717 is about 225.1979624006.

The spelling of 11420717 in words is "eleven million, four hundred twenty thousand, seven hundred seventeen".

Divisors: 1 7 11 77 83 581 913 1787 6391 12509 19657 137599 148321 1038247 1631531 11420717