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20058943 = 1091631129
BaseRepresentation
bin100110010000…
…1001100111111
31101202002200211
41030201030333
520113341233
61553533251
7332332612
oct114411477
941662624
1020058943
1110360643
126874227
1342041c8
142942179
151b635cd
hex132133f

20058943 has 8 divisors (see below), whose sum is σ = 20385200. Its totient is φ = 19735488.

The previous prime is 20058937. The next prime is 20058949. The reversal of 20058943 is 34985002.

It is an interprime number because it is at equal distance from previous prime (20058937) and next prime (20058949).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 8-Lehmer number, since φ(20058943) divides (20058943-1)8.

It is a cyclic number.

It is not a de Polignac number, because 20058943 - 25 = 20058911 is a prime.

It is a super-2 number, since 2×200589432 = 804722388554498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20058949) 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 7 ways as a sum of consecutive naturals, for example, 17203 + ... + 18331.

It is an arithmetic number, because the mean of its divisors is an integer number (2548150).

Almost surely, 220058943 is an apocalyptic number.

20058943 is a deficient number, since it is larger than the sum of its proper divisors (326257).

20058943 is a wasteful number, since it uses less digits than its factorization.

20058943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 20058943 is about 4478.7211344311. The cubic root of 20058943 is about 271.7081599880.

The spelling of 20058943 in words is "twenty million, fifty-eight thousand, nine hundred forty-three".

Divisors: 1 109 163 1129 17767 123061 184027 20058943