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203020398 = 2337537091
BaseRepresentation
bin11000001100111…
…01100001101110
3112011000111122000
430012131201232
5403433123043
632051233130
75013434130
oct1406354156
9464014560
10203020398
11a4666259
1257ba87a6
13330a4019
141cd6b050
1512c542d3
hexc19d86e

203020398 has 32 divisors (see below), whose sum is σ = 515608320. Its totient is φ = 58005720.

The previous prime is 203020351. The next prime is 203020399. The reversal of 203020398 is 893020302.

203020398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203020399) 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, 268168 + ... + 268923.

It is an arithmetic number, because the mean of its divisors is an integer number (16112760).

Almost surely, 2203020398 is an apocalyptic number.

203020398 is an abundant number, since it is smaller than the sum of its proper divisors (312587922).

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

203020398 is a wasteful number, since it uses less digits than its factorization.

203020398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537109 (or 537103 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 203020398 is about 14248.5226602620. The cubic root of 203020398 is about 587.7327502718.

The spelling of 203020398 in words is "two hundred three million, twenty thousand, three hundred ninety-eight".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 537091 1074182 1611273 3222546 3759637 4833819 7519274 9667638 11278911 14501457 22557822 29002914 33836733 67673466 101510199 203020398