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52270444 = 221719231759
BaseRepresentation
bin1100011101100…
…1010101101100
310122100121120101
43013121111230
5101340123234
65104200444
71203201652
oct307312554
9118317511
1052270444
1127561616
1215609124
13aaa1975
146d28dd2
1548c7814
hex31d956c

52270444 has 48 divisors (see below), whose sum is σ = 106444800. Its totient is φ = 22277376.

The previous prime is 52270417. The next prime is 52270451. The reversal of 52270444 is 44407225.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28837 + ... + 30595.

It is an arithmetic number, because the mean of its divisors is an integer number (2217600).

Almost surely, 252270444 is an apocalyptic number.

It is an amenable number.

52270444 is an abundant number, since it is smaller than the sum of its proper divisors (54174356).

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

52270444 is a wasteful number, since it uses less digits than its factorization.

52270444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822 (or 1820 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 52270444 is about 7229.8301501488. The cubic root of 52270444 is about 373.8970710110.

Adding to 52270444 its reverse (44407225), we get a palindrome (96677669).

The spelling of 52270444 in words is "fifty-two million, two hundred seventy thousand, four hundred forty-four".

Divisors: 1 2 4 17 19 23 34 38 46 68 76 92 323 391 437 646 782 874 1292 1564 1748 1759 3518 7036 7429 14858 29716 29903 33421 40457 59806 66842 80914 119612 133684 161828 568157 687769 768683 1136314 1375538 1537366 2272628 2751076 3074732 13067611 26135222 52270444