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202312030 = 2520231203
BaseRepresentation
bin11000000111100…
…00100101011110
3112002200111221011
430003300211132
5403242441110
632024125434
75004423664
oct1403604536
9462614834
10202312030
11a4222028
125790687a
1332bb677b
141cc24c34
1512b6448a
hexc0f095e

202312030 has 8 divisors (see below), whose sum is σ = 364161672. Its totient is φ = 80924808.

The previous prime is 202312013. The next prime is 202312039. The reversal of 202312030 is 30213202.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 202312030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202312039) 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 3 ways as a sum of consecutive naturals, for example, 10115592 + ... + 10115611.

It is an arithmetic number, because the mean of its divisors is an integer number (45520209).

Almost surely, 2202312030 is an apocalyptic number.

202312030 is a deficient number, since it is larger than the sum of its proper divisors (161849642).

202312030 is a wasteful number, since it uses less digits than its factorization.

202312030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20231210.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 202312030 is about 14223.6433447974. The cubic root of 202312030 is about 587.0483917358.

Adding to 202312030 its reverse (30213202), we get a palindrome (232525232).

The spelling of 202312030 in words is "two hundred two million, three hundred twelve thousand, thirty".

Divisors: 1 2 5 10 20231203 40462406 101156015 202312030