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52112723 = 134008671
BaseRepresentation
bin1100011011001…
…0110101010011
310122001121012212
43012302311103
5101320101343
65100542335
71201644065
oct306626523
9118047185
1052112723
1127464073
12155519ab
13aa47c40
146cc7735
154895c18
hex31b2d53

52112723 has 4 divisors (see below), whose sum is σ = 56121408. Its totient is φ = 48104040.

The previous prime is 52112713. The next prime is 52112737. The reversal of 52112723 is 32721125.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52112723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52112713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2004323 + ... + 2004348.

It is an arithmetic number, because the mean of its divisors is an integer number (14030352).

Almost surely, 252112723 is an apocalyptic number.

52112723 is a deficient number, since it is larger than the sum of its proper divisors (4008685).

52112723 is a wasteful number, since it uses less digits than its factorization.

52112723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008684.

The product of its digits is 840, while the sum is 23.

The square root of 52112723 is about 7218.9142535426. The cubic root of 52112723 is about 373.5206260671.

Adding to 52112723 its reverse (32721125), we get a palindrome (84833848).

The spelling of 52112723 in words is "fifty-two million, one hundred twelve thousand, seven hundred twenty-three".

Divisors: 1 13 4008671 52112723