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203324840 = 2355083121
BaseRepresentation
bin11000001111001…
…11110110101000
3112011120222020122
430013213312220
5404022343330
632101542412
75016142535
oct1407476650
9464528218
10203324840
11a4853a64
1258114a08
133317c774
141d009d8c
1512cb45e5
hexc1e7da8

203324840 has 16 divisors (see below), whose sum is σ = 457480980. Its totient is φ = 81329920.

The previous prime is 203324839. The next prime is 203324843. The reversal of 203324840 is 48423302.

It can be written as a sum of positive squares in 2 ways, for example, as 198190084 + 5134756 = 14078^2 + 2266^2 .

It is a super-2 number, since 2×2033248402 = 82681981122051200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (203324843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2541521 + ... + 2541600.

Almost surely, 2203324840 is an apocalyptic number.

203324840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203324840 is an abundant number, since it is smaller than the sum of its proper divisors (254156140).

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

203324840 is a wasteful number, since it uses less digits than its factorization.

203324840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5083132 (or 5083128 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 203324840 is about 14259.2019412027. The cubic root of 203324840 is about 588.0263844270.

The spelling of 203324840 in words is "two hundred three million, three hundred twenty-four thousand, eight hundred forty".