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203328031 = 1576172099
BaseRepresentation
bin11000001111010…
…00101000011111
3112011121010121211
430013220220133
5404022444111
632102005251
75016155044
oct1407505037
9464533554
10203328031
11a48563a5
1258116827
133318105a
141d00b1cb
1512cb5521
hexc1e8a1f

203328031 has 8 divisors (see below), whose sum is σ = 205052400. Its totient is φ = 201609408.

The previous prime is 203328017. The next prime is 203328043. The reversal of 203328031 is 130823302.

It is a happy number.

203328031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203328031 - 221 = 201230879 is a prime.

It is a super-2 number, since 2×2033280312 = 82684576380673922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203327993 and 203328011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203328071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95820 + ... + 97918.

It is an arithmetic number, because the mean of its divisors is an integer number (25631550).

Almost surely, 2203328031 is an apocalyptic number.

203328031 is a deficient number, since it is larger than the sum of its proper divisors (1724369).

203328031 is a wasteful number, since it uses less digits than its factorization.

203328031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 203328031 is about 14259.3138334213. The cubic root of 203328031 is about 588.0294605922.

The spelling of 203328031 in words is "two hundred three million, three hundred twenty-eight thousand, thirty-one".

Divisors: 1 157 617 2099 96869 329543 1295083 203328031