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52144742 = 2132005567
BaseRepresentation
bin1100011011101…
…0101001100110
310122010020010202
43012322221212
5101322112432
65101350502
71202136326
oct306725146
9118106122
1052144742
1127486131
1215568432
13aa596a0
146cd5286
1548a0462
hex31baa66

52144742 has 8 divisors (see below), whose sum is σ = 84233856. Its totient is φ = 24066792.

The previous prime is 52144733. The next prime is 52144777. The reversal of 52144742 is 24744125.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002758 + ... + 1002809.

It is an arithmetic number, because the mean of its divisors is an integer number (10529232).

Almost surely, 252144742 is an apocalyptic number.

52144742 is a deficient number, since it is larger than the sum of its proper divisors (32089114).

52144742 is a wasteful number, since it uses less digits than its factorization.

52144742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005582.

The product of its digits is 8960, while the sum is 29.

The square root of 52144742 is about 7221.1316287684. The cubic root of 52144742 is about 373.5971096821.

Adding to 52144742 its reverse (24744125), we get a palindrome (76888867).

The spelling of 52144742 in words is "fifty-two million, one hundred forty-four thousand, seven hundred forty-two".

Divisors: 1 2 13 26 2005567 4011134 26072371 52144742