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20432058 = 2314892287
BaseRepresentation
bin100110111110…
…0010010111010
31102110001111220
41031330102322
520212311213
62005532510
7335445453
oct115742272
942401456
1020432058
11105959a9
126a14136
134304c9a
1429dc12a
151bd8e23
hex137c4ba

20432058 has 16 divisors (see below), whose sum is σ = 40909440. Its totient is φ = 6803136.

The previous prime is 20432053. The next prime is 20432059. The reversal of 20432058 is 85023402.

It is not an unprimeable number, because it can be changed into a prime (20432051) 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, 7791 + ... + 10077.

It is an arithmetic number, because the mean of its divisors is an integer number (2556840).

Almost surely, 220432058 is an apocalyptic number.

20432058 is an abundant number, since it is smaller than the sum of its proper divisors (20477382).

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

20432058 is a wasteful number, since it uses less digits than its factorization.

20432058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 20432058 is about 4520.1834033588. The cubic root of 20432058 is about 273.3824959490.

The spelling of 20432058 in words is "twenty million, four hundred thirty-two thousand, fifty-eight".

Divisors: 1 2 3 6 1489 2287 2978 4467 4574 6861 8934 13722 3405343 6810686 10216029 20432058