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52256442 = 2372177743
BaseRepresentation
bin1100011101010…
…1111010111010
310122022220100210
43013111322322
5101334201232
65104011550
71203113100
oct307257272
9118286323
1052256442
1127552047
1215600bb6
13aa98494
146d23c70
1548c35cc
hex31d5eba

52256442 has 24 divisors (see below), whose sum is σ = 121576896. Its totient is φ = 14930328.

The previous prime is 52256429. The next prime is 52256447. The reversal of 52256442 is 24465225.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52256447) 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, 88578 + ... + 89165.

It is an arithmetic number, because the mean of its divisors is an integer number (5065704).

Almost surely, 252256442 is an apocalyptic number.

52256442 is an abundant number, since it is smaller than the sum of its proper divisors (69320454).

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

52256442 is a wasteful number, since it uses less digits than its factorization.

52256442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177762 (or 177755 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 52256442 is about 7228.8617361242. The cubic root of 52256442 is about 373.8636820061.

The spelling of 52256442 in words is "fifty-two million, two hundred fifty-six thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 177743 355486 533229 1066458 1244201 2488402 3732603 7465206 8709407 17418814 26128221 52256442