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20694296 = 2372316067
BaseRepresentation
bin100111011110…
…0010100011000
31102221101020102
41032330110120
520244204141
62015314532
7340620140
oct116742430
942841212
1020694296
1110754a27
126b1ba48
13439745c
142a69920
151c3b99b
hex13bc518

20694296 has 32 divisors (see below), whose sum is σ = 46275840. Its totient is φ = 8482848.

The previous prime is 20694283. The next prime is 20694337. The reversal of 20694296 is 69249602.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 6746 + ... + 9321.

It is an arithmetic number, because the mean of its divisors is an integer number (1446120).

Almost surely, 220694296 is an apocalyptic number.

It is an amenable number.

20694296 is an abundant number, since it is smaller than the sum of its proper divisors (25581544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20694296 is a wasteful number, since it uses less digits than its factorization.

20694296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16103 (or 16099 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 20694296 is about 4549.0983722052. The cubic root of 20694296 is about 274.5471157331.

The spelling of 20694296 in words is "twenty million, six hundred ninety-four thousand, two hundred ninety-six".

Divisors: 1 2 4 7 8 14 23 28 46 56 92 161 184 322 644 1288 16067 32134 64268 112469 128536 224938 369541 449876 739082 899752 1478164 2586787 2956328 5173574 10347148 20694296