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202000066 = 2531905661
BaseRepresentation
bin11000000101001…
…00011011000010
3112002002122222221
430002210123002
5403203000231
632013321254
75001654322
oct1402443302
9462078887
10202000066
11a4029704
125779622a
1332b07788
141cb83282
1512b01d11
hexc0a46c2

202000066 has 8 divisors (see below), whose sum is σ = 308717244. Its totient is φ = 99094320.

The previous prime is 202000063. The next prime is 202000067. The reversal of 202000066 is 660000202.

It can be written as a sum of positive squares in 2 ways, for example, as 177289225 + 24710841 = 13315^2 + 4971^2 .

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

It is not an unprimeable number, because it can be changed into a prime (202000063) 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, 952725 + ... + 952936.

Almost surely, 2202000066 is an apocalyptic number.

202000066 is a deficient number, since it is larger than the sum of its proper divisors (106717178).

202000066 is a wasteful number, since it uses less digits than its factorization.

202000066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905716.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 202000066 is about 14212.6727254236. The cubic root of 202000066 is about 586.7464947473.

Adding to 202000066 its reverse (660000202), we get a palindrome (862000268).

The spelling of 202000066 in words is "two hundred two million, sixty-six", and thus it is an aban number.

Divisors: 1 2 53 106 1905661 3811322 101000033 202000066