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20960834 = 228033739
BaseRepresentation
bin100111111110…
…1011001000010
31110102220212012
41033331121002
520331221314
62025132522
7343110206
oct117753102
943386765
1020960834
1110917204
12702a142
13445b87b
142ad8b06
151c9093e
hex13fd642

20960834 has 8 divisors (see below), whose sum is σ = 31460880. Its totient is φ = 10473876.

The previous prime is 20960831. The next prime is 20960851. The reversal of 20960834 is 43806902.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20960834.

It is not an unprimeable number, because it can be changed into a prime (20960831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3737 + ... + 7475.

It is an arithmetic number, because the mean of its divisors is an integer number (3932610).

Almost surely, 220960834 is an apocalyptic number.

20960834 is a deficient number, since it is larger than the sum of its proper divisors (10500046).

20960834 is a wasteful number, since it uses less digits than its factorization.

20960834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6544.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 20960834 is about 4578.3003396457. The cubic root of 20960834 is about 275.7207933992.

The spelling of 20960834 in words is "twenty million, nine hundred sixty thousand, eight hundred thirty-four".

Divisors: 1 2 2803 3739 5606 7478 10480417 20960834