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52707222 = 2324171419
BaseRepresentation
bin1100100100001…
…1111110010110
310200011210201100
43021003332112
5101443112342
65121410530
71210001241
oct311037626
9120153640
1052707222
112782a797
1215799a46
13abc5709
147000258
154961e4c
hex3243f96

52707222 has 24 divisors (see below), whose sum is σ = 116985960. Its totient is φ = 17140320.

The previous prime is 52707217. The next prime is 52707227. The reversal of 52707222 is 22270725.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52707217) and next prime (52707227).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52707227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34972 + ... + 36447.

It is an arithmetic number, because the mean of its divisors is an integer number (4874415).

Almost surely, 252707222 is an apocalyptic number.

52707222 is an abundant number, since it is smaller than the sum of its proper divisors (64278738).

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

52707222 is a wasteful number, since it uses less digits than its factorization.

52707222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71468 (or 71465 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 52707222 is about 7259.9739668955. The cubic root of 52707222 is about 374.9356262834.

Adding to 52707222 its reverse (22270725), we get a palindrome (74977947).

The spelling of 52707222 in words is "fifty-two million, seven hundred seven thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 41 82 123 246 369 738 71419 142838 214257 428514 642771 1285542 2928179 5856358 8784537 17569074 26353611 52707222