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52303690 = 2522872
BaseRepresentation
bin1100011110000…
…1011101001010
310122102022011201
43013201131022
5101342204230
65105014414
71203400615
oct307413512
9118368151
1052303690
112758459a
121562440a
13aab3b3a
146d3717c
1548d25ca
hex31e174a

52303690 has 12 divisors (see below), whose sum is σ = 94187826. Its totient is φ = 20912328.

The previous prime is 52303687. The next prime is 52303717. The reversal of 52303690 is 9630325.

52303690 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., 47073321 + 5230369 = 6861^2 + 2287^2 .

It is a super-2 number, since 2×523036902 = 5471351975232200, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

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 5 ways as a sum of consecutive naturals, for example, 21727 + ... + 24013.

Almost surely, 252303690 is an apocalyptic number.

52303690 is a deficient number, since it is larger than the sum of its proper divisors (41884136).

52303690 is an frugal number, since it uses more digits than its factorization.

52303690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4581 (or 2294 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 52303690 is about 7232.1290088051. The cubic root of 52303690 is about 373.9763251526.

The spelling of 52303690 in words is "fifty-two million, three hundred three thousand, six hundred ninety".

Divisors: 1 2 5 10 2287 4574 11435 22870 5230369 10460738 26151845 52303690