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203048 = 23171493
BaseRepresentation
bin110001100100101000
3101022112022
4301210220
522444143
64204012
71503656
oct614450
9338468
10203048
1112960a
1299608
1371561
1453dd6
1540268
hex31928

203048 has 16 divisors (see below), whose sum is σ = 403380. Its totient is φ = 95488.

The previous prime is 203039. The next prime is 203051. The reversal of 203048 is 840302.

It can be written as a sum of positive squares in 2 ways, for example, as 178084 + 24964 = 422^2 + 158^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

203048 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611 + ... + 882.

2203048 is an apocalyptic number.

It is an amenable number.

203048 is a deficient number, since it is larger than the sum of its proper divisors (200332).

203048 is a wasteful number, since it uses less digits than its factorization.

203048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516 (or 1512 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 203048 is about 450.6084775057. The cubic root of 203048 is about 58.7759384483.

The spelling of 203048 in words is "two hundred three thousand, forty-eight".

Divisors: 1 2 4 8 17 34 68 136 1493 2986 5972 11944 25381 50762 101524 203048