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202042433 = 1785313933
BaseRepresentation
bin11000000101011…
…10110001000001
3112002011211010002
430002232301001
5403210324213
632014245345
75002221665
oct1402566101
9462154102
10202042433
11a405851a
12577b6855
1332b20b48
141cb948a5
1512b0e658
hexc0aec41

202042433 has 8 divisors (see below), whose sum is σ = 214193448. Its totient is φ = 189921024.

The previous prime is 202042427. The next prime is 202042483. The reversal of 202042433 is 334240202.

It can be written as a sum of positive squares in 4 ways, for example, as 71351809 + 130690624 = 8447^2 + 11432^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 202042433 - 26 = 202042369 is a prime.

It is a super-2 number, since 2×2020424332 = 81642289465118978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202042483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7535 + ... + 21467.

It is an arithmetic number, because the mean of its divisors is an integer number (26774181).

Almost surely, 2202042433 is an apocalyptic number.

It is an amenable number.

202042433 is a deficient number, since it is larger than the sum of its proper divisors (12151015).

202042433 is a wasteful number, since it uses less digits than its factorization.

202042433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14803.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 202042433 is about 14214.1631128955. The cubic root of 202042433 is about 586.7875128049.

Adding to 202042433 its reverse (334240202), we get a palindrome (536282635).

The spelling of 202042433 in words is "two hundred two million, forty-two thousand, four hundred thirty-three".

Divisors: 1 17 853 13933 14501 236861 11884849 202042433