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20214370 = 25111511217
BaseRepresentation
bin100110100011…
…1001001100010
31102000222220101
41031013021202
520133324440
62001133014
7333551011
oct115071142
942028811
1020214370
11104573a0
12692a16a
134259b87
142982a78
151b9469a
hex1347262

20214370 has 32 divisors (see below), whose sum is σ = 39989376. Its totient is φ = 7296000.

The previous prime is 20214329. The next prime is 20214373. The reversal of 20214370 is 7341202.

It is a super-3 number, since 3×202143703 (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20214373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16002 + ... + 17218.

It is an arithmetic number, because the mean of its divisors is an integer number (1249668).

Almost surely, 220214370 is an apocalyptic number.

20214370 is a deficient number, since it is larger than the sum of its proper divisors (19775006).

20214370 is a wasteful number, since it uses less digits than its factorization.

20214370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 20214370 is about 4496.0393681550. The cubic root of 20214370 is about 272.4081333288.

Adding to 20214370 its reverse (7341202), we get a palindrome (27555572).

The spelling of 20214370 in words is "twenty million, two hundred fourteen thousand, three hundred seventy".

Divisors: 1 2 5 10 11 22 55 110 151 302 755 1217 1510 1661 2434 3322 6085 8305 12170 13387 16610 26774 66935 133870 183767 367534 918835 1837670 2021437 4042874 10107185 20214370