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42418852 = 2271514959
BaseRepresentation
bin1010000111010…
…0001010100100
32221211002201121
42201310022210
541324400402
64113103324
71023361060
oct241641244
987732647
1042418852
1121a42a03
1212257b44
138a32818
1458c2aa0
153acd837
hex28742a4

42418852 has 12 divisors (see below), whose sum is σ = 84837760. Its totient is φ = 18179496.

The previous prime is 42418847. The next prime is 42418853. The reversal of 42418852 is 25881424.

42418852 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (42418853) 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, 757452 + ... + 757507.

Almost surely, 242418852 is an apocalyptic number.

It is an amenable number.

42418852 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42418852 is a wasteful number, since it uses less digits than its factorization.

42418852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514970 (or 1514968 counting only the distinct ones).

The product of its digits is 20480, while the sum is 34.

The square root of 42418852 is about 6512.9756640110. The cubic root of 42418852 is about 348.7543529644.

The spelling of 42418852 in words is "forty-two million, four hundred eighteen thousand, eight hundred fifty-two".

Divisors: 1 2 4 7 14 28 1514959 3029918 6059836 10604713 21209426 42418852