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52254772 = 2213063693
BaseRepresentation
bin1100011101010…
…1100000110100
310122022211001221
43013111200310
5101334123042
65104000124
71203105163
oct307254064
9118284057
1052254772
1127550869
1215600044
13aa977ab
146d233da
1548c2d67
hex31d5834

52254772 has 6 divisors (see below), whose sum is σ = 91445858. Its totient is φ = 26127384.

The previous prime is 52254757. The next prime is 52254779. The reversal of 52254772 is 27745225.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 34999056 + 17255716 = 5916^2 + 4154^2 .

It is a super-2 number, since 2×522547722 = 5461122393543968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52254779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6531843 + ... + 6531850.

Almost surely, 252254772 is an apocalyptic number.

It is an amenable number.

52254772 is a deficient number, since it is larger than the sum of its proper divisors (39191086).

52254772 is a wasteful number, since it uses less digits than its factorization.

52254772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13063697 (or 13063695 counting only the distinct ones).

The product of its digits is 39200, while the sum is 34.

The square root of 52254772 is about 7228.7462260063. The cubic root of 52254772 is about 373.8596993456.

Adding to 52254772 its reverse (27745225), we get a palindrome (79999997).

The spelling of 52254772 in words is "fifty-two million, two hundred fifty-four thousand, seven hundred seventy-two".

Divisors: 1 2 4 13063693 26127386 52254772