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52190746 = 26127013
BaseRepresentation
bin1100011100010…
…1111000011010
310122012120020121
43013011320122
5101330100441
65102343454
71202420416
oct307057032
9118176217
1052190746
1127507753
121558ab8a
13aa745ca
146d07d46
1548addd1
hex31c5e1a

52190746 has 12 divisors (see below), whose sum is σ = 79601886. Its totient is φ = 25663920.

The previous prime is 52190741. The next prime is 52190759. The reversal of 52190746 is 64709125.

52190746 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 3 ways, for example, as 24890121 + 27300625 = 4989^2 + 5225^2 .

It is not an unprimeable number, because it can be changed into a prime (52190741) 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, 3936 + ... + 10948.

Almost surely, 252190746 is an apocalyptic number.

52190746 is a deficient number, since it is larger than the sum of its proper divisors (27411140).

52190746 is an equidigital number, since it uses as much as digits as its factorization.

52190746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7137 (or 7076 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 52190746 is about 7224.3162998307. The cubic root of 52190746 is about 373.7069444032.

The spelling of 52190746 in words is "fifty-two million, one hundred ninety thousand, seven hundred forty-six".

Divisors: 1 2 61 122 3721 7013 7442 14026 427793 855586 26095373 52190746