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203979602 = 2100992
BaseRepresentation
bin11000010100001…
…11101101010010
3112012211020102002
430022013231102
5404204321402
632123554002
75024540501
oct1412075522
9465736362
10203979602
11a5160992
125838b902
133334b7b8
141d13a838
1512d93602
hexc287b52

203979602 has 6 divisors (see below), whose sum is σ = 305999703. Its totient is φ = 101979702.

The previous prime is 203979553. The next prime is 203979623. The reversal of 203979602 is 206979302.

203979602 is digitally balanced in base 3, 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 only one way, i.e., 101989801 + 101989801 = 10099^2 + 10099^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=10099.

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 15149 + ... + 25247.

Almost surely, 2203979602 is an apocalyptic number.

203979602 is a deficient number, since it is larger than the sum of its proper divisors (102020101).

203979602 is an frugal number, since it uses more digits than its factorization.

203979602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20200 (or 10101 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 203979602 is about 14282.1427664059. The cubic root of 203979602 is about 588.6569104071.

The spelling of 203979602 in words is "two hundred three million, nine hundred seventy-nine thousand, six hundred two".

Divisors: 1 2 10099 20198 101989801 203979602