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20760434 = 2173731637
BaseRepresentation
bin100111100110…
…0011101110010
31110001201221222
41033030131302
520303313214
62020545042
7341314022
oct117143562
943051858
1020760434
111079a692
126b52182
1343bb5a6
142a85a82
151c5138e
hex13cc772

20760434 has 16 divisors (see below), whose sum is σ = 33081048. Its totient is φ = 9737472.

The previous prime is 20760409. The next prime is 20760479. The reversal of 20760434 is 43406702.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15484225 + 5276209 = 3935^2 + 2297^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11864 + ... + 13500.

Almost surely, 220760434 is an apocalyptic number.

20760434 is a deficient number, since it is larger than the sum of its proper divisors (12320614).

20760434 is a wasteful number, since it uses less digits than its factorization.

20760434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 20760434 is about 4556.3619259229. The cubic root of 20760434 is about 274.8392846055.

The spelling of 20760434 in words is "twenty million, seven hundred sixty thousand, four hundred thirty-four".

Divisors: 1 2 17 34 373 746 1637 3274 6341 12682 27829 55658 610601 1221202 10380217 20760434