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203412984 = 23360713963
BaseRepresentation
bin11000001111111…
…01010111111000
3112011202110011020
430013331113320
5404033203414
632103502440
75016660525
oct1407752770
9464673136
10203412984
11a4904205
1258157a20
13331b0918
141d03014c
1512cd07a9
hexc1fd5f8

203412984 has 32 divisors (see below), whose sum is σ = 509406720. Its totient is φ = 67687776.

The previous prime is 203412983. The next prime is 203412991. The reversal of 203412984 is 489214302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203412983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7587 + ... + 21549.

It is an arithmetic number, because the mean of its divisors is an integer number (15918960).

Almost surely, 2203412984 is an apocalyptic number.

203412984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

203412984 is an abundant number, since it is smaller than the sum of its proper divisors (305993736).

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

203412984 is a wasteful number, since it uses less digits than its factorization.

203412984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14579 (or 14575 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 203412984 is about 14262.2923823627. The cubic root of 203412984 is about 588.1113445490. Note that the first 3 decimals are identical.

The spelling of 203412984 in words is "two hundred three million, four hundred twelve thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 607 1214 1821 2428 3642 4856 7284 13963 14568 27926 41889 55852 83778 111704 167556 335112 8475541 16951082 25426623 33902164 50853246 67804328 101706492 203412984