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20914682 = 2233071481
BaseRepresentation
bin100111111001…
…0000111111010
31110100120112212
41033302013322
520323232212
62024135122
7342525515
oct117620772
943316485
1020914682
1110895568
1270074a2
134443869
142ac5d7c
151c81e22
hex13f21fa

20914682 has 16 divisors (see below), whose sum is σ = 32864832. Its totient is φ = 9963360.

The previous prime is 20914681. The next prime is 20914717. The reversal of 20914682 is 28641902.

It is a super-2 number, since 2×209146822 = 874847846322248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20914681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13382 + ... + 14862.

It is an arithmetic number, because the mean of its divisors is an integer number (2054052).

Almost surely, 220914682 is an apocalyptic number.

20914682 is a deficient number, since it is larger than the sum of its proper divisors (11950150).

20914682 is a wasteful number, since it uses less digits than its factorization.

20914682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 20914682 is about 4573.2572637017. The cubic root of 20914682 is about 275.5182821038.

The spelling of 20914682 in words is "twenty million, nine hundred fourteen thousand, six hundred eighty-two".

Divisors: 1 2 23 46 307 614 1481 2962 7061 14122 34063 68126 454667 909334 10457341 20914682