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52203402 = 2322900189
BaseRepresentation
bin1100011100100…
…0111110001010
310122020012121100
43013020332022
5101331002102
65102522230
71202502336
oct307107612
9118205540
1052203402
1127516209
1215596376
13aa7a2b4
146d0c7c6
1548b2a1c
hex31c8f8a

52203402 has 12 divisors (see below), whose sum is σ = 113107410. Its totient is φ = 17401128.

The previous prime is 52203367. The next prime is 52203409. The reversal of 52203402 is 20430225.

52203402 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 only one way, i.e., 46908801 + 5294601 = 6849^2 + 2301^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2900189 = 52203402 / (5 + 2 + 2 + 0 + 3 + 4 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (52203409) 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 5 ways as a sum of consecutive naturals, for example, 1450077 + ... + 1450112.

Almost surely, 252203402 is an apocalyptic number.

52203402 is an abundant number, since it is smaller than the sum of its proper divisors (60904008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52203402 is a wasteful number, since it uses less digits than its factorization.

52203402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900197 (or 2900194 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 52203402 is about 7225.1921773749. The cubic root of 52203402 is about 373.7371493290.

Adding to 52203402 its reverse (20430225), we get a palindrome (72633627).

The spelling of 52203402 in words is "fifty-two million, two hundred three thousand, four hundred two".

Divisors: 1 2 3 6 9 18 2900189 5800378 8700567 17401134 26101701 52203402