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20734194 = 23132411103
BaseRepresentation
bin100111100011…
…0000011110010
31110000101222010
41033012003302
520301443234
62020223350
7341144355
oct117060362
943011863
1020734194
11107819a8
126b3ab56
1343ac670
142a7a29c
151c486e9
hex13c60f2

20734194 has 32 divisors (see below), whose sum is σ = 44884224. Its totient is φ = 6347520.

The previous prime is 20734177. The next prime is 20734199. The reversal of 20734194 is 49143702.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20734199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18247 + ... + 19349.

It is an arithmetic number, because the mean of its divisors is an integer number (1402632).

Almost surely, 220734194 is an apocalyptic number.

20734194 is an abundant number, since it is smaller than the sum of its proper divisors (24150030).

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

20734194 is a wasteful number, since it uses less digits than its factorization.

20734194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 20734194 is about 4553.4815251629. The cubic root of 20734194 is about 274.7234420788.

Adding to 20734194 its reverse (49143702), we get a palindrome (69877896).

The spelling of 20734194 in words is "twenty million, seven hundred thirty-four thousand, one hundred ninety-four".

Divisors: 1 2 3 6 13 26 39 78 241 482 723 1103 1446 2206 3133 3309 6266 6618 9399 14339 18798 28678 43017 86034 265823 531646 797469 1594938 3455699 6911398 10367097 20734194