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203200030 = 25111847273
BaseRepresentation
bin11000001110010…
…01011000011110
3112011100122001001
430013021120132
5404004400110
632055140514
75015112625
oct1407113036
9464318031
10203200030
11a4779210
125807473a
1333137a07
141cdb66bc
1512c8c63a
hexc1c961e

203200030 has 16 divisors (see below), whose sum is σ = 399011184. Its totient is φ = 73890880.

The previous prime is 203200027. The next prime is 203200033. The reversal of 203200030 is 30002302.

It is an interprime number because it is at equal distance from previous prime (203200027) and next prime (203200033).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203200033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923527 + ... + 923746.

It is an arithmetic number, because the mean of its divisors is an integer number (24938199).

Almost surely, 2203200030 is an apocalyptic number.

203200030 is a deficient number, since it is larger than the sum of its proper divisors (195811154).

203200030 is a wasteful number, since it uses less digits than its factorization.

203200030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847291.

The product of its (nonzero) digits is 36, while the sum is 10.

The square root of 203200030 is about 14254.8247972397. The cubic root of 203200030 is about 587.9060407196.

Adding to 203200030 its reverse (30002302), we get a palindrome (233202332).

The spelling of 203200030 in words is "two hundred three million, two hundred thousand, thirty".

Divisors: 1 2 5 10 11 22 55 110 1847273 3694546 9236365 18472730 20320003 40640006 101600015 203200030