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20058942 = 234783857
BaseRepresentation
bin100110010000…
…1001100111110
31101202002200210
41030201030332
520113341232
61553533250
7332332611
oct114411476
941662623
1020058942
1110360642
126874226
1342041c7
142942178
151b635cc
hex132133e

20058942 has 32 divisors (see below), whose sum is σ = 41513472. Its totient is φ = 6457664.

The previous prime is 20058937. The next prime is 20058949. The reversal of 20058942 is 24985002.

It is a super-2 number, since 2×200589422 = 804722308318728, which contains 22 as substring.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22978 + ... + 23834.

It is an arithmetic number, because the mean of its divisors is an integer number (1297296).

Almost surely, 220058942 is an apocalyptic number.

20058942 is an abundant number, since it is smaller than the sum of its proper divisors (21454530).

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

20058942 is a wasteful number, since it uses less digits than its factorization.

20058942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 20058942 is about 4478.7210227921. The cubic root of 20058942 is about 271.7081554728.

The spelling of 20058942 in words is "twenty million, fifty-eight thousand, nine hundred forty-two".

Divisors: 1 2 3 6 47 83 94 141 166 249 282 498 857 1714 2571 3901 5142 7802 11703 23406 40279 71131 80558 120837 142262 213393 241674 426786 3343157 6686314 10029471 20058942