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42502452 = 2233541871
BaseRepresentation
bin1010001000100…
…0100100110100
32221222100101220
42202020210310
541340034302
64114550340
71024156566
oct242104464
987870356
1042502452
1121a9a7a3
12122983b0
138a618a5
145905336
153ae84bc
hex2888934

42502452 has 12 divisors (see below), whose sum is σ = 99172416. Its totient is φ = 14167480.

The previous prime is 42502451. The next prime is 42502463. The reversal of 42502452 is 25420524.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42502451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1770924 + ... + 1770947.

It is an arithmetic number, because the mean of its divisors is an integer number (8264368).

Almost surely, 242502452 is an apocalyptic number.

It is an amenable number.

42502452 is an abundant number, since it is smaller than the sum of its proper divisors (56669964).

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

42502452 is a wasteful number, since it uses less digits than its factorization.

42502452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541878 (or 3541876 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 42502452 is about 6519.3904623055. The cubic root of 42502452 is about 348.9833135154.

Adding to 42502452 its reverse (25420524), we get a palindrome (67922976).

The spelling of 42502452 in words is "forty-two million, five hundred two thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 3541871 7083742 10625613 14167484 21251226 42502452