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20797414 = 2114123057
BaseRepresentation
bin100111101010…
…1011111100110
31110010121200121
41033111133212
520311004124
62021432154
7341526601
oct117253746
943117617
1020797414
1110815450
126b6b65a
134402381
142a95338
151c5c2e4
hex13d57e6

20797414 has 16 divisors (see below), whose sum is σ = 34863696. Its totient is φ = 9222400.

The previous prime is 20797411. The next prime is 20797463. The reversal of 20797414 is 41479702.

It is a self number, because there is not a number n which added to its sum of digits gives 20797414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20797411) 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, 10627 + ... + 12430.

It is an arithmetic number, because the mean of its divisors is an integer number (2178981).

Almost surely, 220797414 is an apocalyptic number.

20797414 is a deficient number, since it is larger than the sum of its proper divisors (14066282).

20797414 is a wasteful number, since it uses less digits than its factorization.

20797414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23111.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 20797414 is about 4560.4181825793. The cubic root of 20797414 is about 275.0023757371.

The spelling of 20797414 in words is "twenty million, seven hundred ninety-seven thousand, four hundred fourteen".

Divisors: 1 2 11 22 41 82 451 902 23057 46114 253627 507254 945337 1890674 10398707 20797414