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20030199 = 3717192953
BaseRepresentation
bin100110001101…
…0001011110111
31101200122021020
41030122023313
520111431244
61553152223
7332153040
oct114321367
941618236
1020030199
1110340a92
12685b673
1341c40b7
1429358c7
151b59d19
hex131a2f7

20030199 has 32 divisors (see below), whose sum is σ = 34030080. Its totient is φ = 10202112.

The previous prime is 20030191. The next prime is 20030203. The reversal of 20030199 is 99103002.

It is a happy number.

It is not a de Polignac number, because 20030199 - 23 = 20030191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5307 + ... + 8259.

It is an arithmetic number, because the mean of its divisors is an integer number (1063440).

Almost surely, 220030199 is an apocalyptic number.

20030199 is a deficient number, since it is larger than the sum of its proper divisors (13999881).

20030199 is a wasteful number, since it uses less digits than its factorization.

20030199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2999.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 20030199 is about 4475.5110322733. The cubic root of 20030199 is about 271.5783141161.

The spelling of 20030199 in words is "twenty million, thirty thousand, one hundred ninety-nine".

Divisors: 1 3 7 17 19 21 51 57 119 133 323 357 399 969 2261 2953 6783 8859 20671 50201 56107 62013 150603 168321 351407 392749 953819 1054221 1178247 2861457 6676733 20030199