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20360834 = 2131037603
BaseRepresentation
bin100110110101…
…0111010000010
31102022102210222
41031222322002
520203021314
62004223042
7335031014
oct115527202
942272728
1020360834
111054743a
12699aa82
1342ab740
1429c01b4
151bc2c8e
hex136ae82

20360834 has 16 divisors (see below), whose sum is σ = 33214272. Its totient is φ = 9304848.

The previous prime is 20360833. The next prime is 20360839. The reversal of 20360834 is 43806302.

It is a super-2 number, since 2×203608342 = 829127122351112, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (20360833) 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, 1124 + ... + 6479.

It is an arithmetic number, because the mean of its divisors is an integer number (2075892).

Almost surely, 220360834 is an apocalyptic number.

20360834 is a deficient number, since it is larger than the sum of its proper divisors (12853438).

20360834 is a wasteful number, since it uses less digits than its factorization.

20360834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7721.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 20360834 is about 4512.2980841252. The cubic root of 20360834 is about 273.0644652692.

The spelling of 20360834 in words is "twenty million, three hundred sixty thousand, eight hundred thirty-four".

Divisors: 1 2 13 26 103 206 1339 2678 7603 15206 98839 197678 783109 1566218 10180417 20360834