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52042842 = 23225111519
BaseRepresentation
bin1100011010000…
…1110001011010
310121221001100200
43012201301122
5101310332332
65055243030
71201233255
oct306416132
9117831320
1052042842
1127416615
1215519476
13aa221a7
146caa09c
15488017c
hex31a1c5a

52042842 has 24 divisors (see below), whose sum is σ = 113218560. Its totient is φ = 17277000.

The previous prime is 52042829. The next prime is 52042847. The reversal of 52042842 is 24824025.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52042847) 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, 1242 + ... + 10277.

It is an arithmetic number, because the mean of its divisors is an integer number (4717440).

Almost surely, 252042842 is an apocalyptic number.

52042842 is an abundant number, since it is smaller than the sum of its proper divisors (61175718).

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

52042842 is a wasteful number, since it uses less digits than its factorization.

52042842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11778 (or 11775 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 52042842 is about 7214.0724975564. The cubic root of 52042842 is about 373.3535928277.

Adding to 52042842 its reverse (24824025), we get a palindrome (76866867).

The spelling of 52042842 in words is "fifty-two million, forty-two thousand, eight hundred forty-two".

Divisors: 1 2 3 6 9 18 251 502 753 1506 2259 4518 11519 23038 34557 69114 103671 207342 2891269 5782538 8673807 17347614 26021421 52042842