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20058450 = 2352133723
BaseRepresentation
bin100110010000…
…1000101010010
31101202002000120
41030201011102
520113332300
61553531110
7332331306
oct114410522
941662016
1020058450
1110360235
126873a96
134203c09
142941d06
151b633a0
hex1321152

20058450 has 24 divisors (see below), whose sum is σ = 49745328. Its totient is φ = 5348880.

The previous prime is 20058449. The next prime is 20058473. The reversal of 20058450 is 5485002.

It is a self number, because there is not a number n which added to its sum of digits gives 20058450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66712 + ... + 67011.

It is an arithmetic number, because the mean of its divisors is an integer number (2072722).

Almost surely, 220058450 is an apocalyptic number.

20058450 is an abundant number, since it is smaller than the sum of its proper divisors (29686878).

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

20058450 is a wasteful number, since it uses less digits than its factorization.

20058450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133738 (or 133733 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 20058450 is about 4478.6660960603. Note that the first 3 decimals coincide. The cubic root of 20058450 is about 271.7059339946.

The spelling of 20058450 in words is "twenty million, fifty-eight thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 133723 267446 401169 668615 802338 1337230 2005845 3343075 4011690 6686150 10029225 20058450