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203680970 = 2520368097
BaseRepresentation
bin11000010001111…
…10110011001010
3112012021001202122
430020332303022
5404120242340
632113331242
75022155033
oct1410766312
9465231678
10203680970
11a4a77589
1258266b22
13332758ac
141d09da8a
1512d34db5
hexc23ecca

203680970 has 8 divisors (see below), whose sum is σ = 366625764. Its totient is φ = 81472384.

The previous prime is 203680951. The next prime is 203680979. The reversal of 203680970 is 79086302.

203680970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 191241241 + 12439729 = 13829^2 + 3527^2 .

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 203680970.

It is not an unprimeable number, because it can be changed into a prime (203680979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10184039 + ... + 10184058.

Almost surely, 2203680970 is an apocalyptic number.

203680970 is a deficient number, since it is larger than the sum of its proper divisors (162944794).

203680970 is a wasteful number, since it uses less digits than its factorization.

203680970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20368104.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 203680970 is about 14271.6842033447. The cubic root of 203680970 is about 588.3694998904.

The spelling of 203680970 in words is "two hundred three million, six hundred eighty thousand, nine hundred seventy".

Divisors: 1 2 5 10 20368097 40736194 101840485 203680970