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20394294 = 2353591087
BaseRepresentation
bin100110111001…
…1000100110110
31102101010201020
41031303010312
520210104134
62005042010
7335230404
oct115630466
942333636
1020394294
111056a598
1269b6306
1342c0a3b
1429cc474
151bccb49
hex1373136

20394294 has 32 divisors (see below), whose sum is σ = 42301440. Its totient is φ = 6550752.

The previous prime is 20394263. The next prime is 20394299. The reversal of 20394294 is 49249302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20394299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18219 + ... + 19305.

It is an arithmetic number, because the mean of its divisors is an integer number (1321920).

Almost surely, 220394294 is an apocalyptic number.

20394294 is an abundant number, since it is smaller than the sum of its proper divisors (21907146).

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

20394294 is a wasteful number, since it uses less digits than its factorization.

20394294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 20394294 is about 4516.0042072611. The cubic root of 20394294 is about 273.2139636742.

The spelling of 20394294 in words is "twenty million, three hundred ninety-four thousand, two hundred ninety-four".

Divisors: 1 2 3 6 53 59 106 118 159 177 318 354 1087 2174 3127 3261 6254 6522 9381 18762 57611 64133 115222 128266 172833 192399 345666 384798 3399049 6798098 10197147 20394294