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203041420 = 22559172069
BaseRepresentation
bin11000001101000…
…10101010001100
3112011001120110121
430012202222030
5403434311140
632051514324
75013552331
oct1406425214
9464046417
10203041420
11a468002a
1257bb89a4
13330b076a
141cd74988
1512c5a64a
hexc1a2a8c

203041420 has 24 divisors (see below), whose sum is σ = 433616400. Its totient is φ = 79839552.

The previous prime is 203041409. The next prime is 203041453. The reversal of 203041420 is 24140302.

It is a junction number, because it is equal to n+sod(n) for n = 203041394 and 203041403.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 84855 + ... + 87214.

It is an arithmetic number, because the mean of its divisors is an integer number (18067350).

Almost surely, 2203041420 is an apocalyptic number.

203041420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203041420 is an abundant number, since it is smaller than the sum of its proper divisors (230574980).

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

203041420 is a wasteful number, since it uses less digits than its factorization.

203041420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172137 (or 172135 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 203041420 is about 14249.2603316804. The cubic root of 203041420 is about 587.7530354116.

Adding to 203041420 its reverse (24140302), we get a palindrome (227181722).

The spelling of 203041420 in words is "two hundred three million, forty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 172069 344138 688276 860345 1720690 3441380 10152071 20304142 40608284 50760355 101520710 203041420