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42412975 = 5211154229
BaseRepresentation
bin1010000111001…
…0101110101111
32221210210122221
42201302232233
541324203400
64113020211
71023334663
oct241625657
987723587
1042412975
1121a39550
1212254667
138a2cc47
1458c08a3
153acbc1a
hex2872baf

42412975 has 12 divisors (see below), whose sum is σ = 57373560. Its totient is φ = 30845600.

The previous prime is 42412973. The next prime is 42412987. The reversal of 42412975 is 57921424.

It is not a de Polignac number, because 42412975 - 21 = 42412973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42412975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42412973) 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, 76840 + ... + 77389.

It is an arithmetic number, because the mean of its divisors is an integer number (4781130).

Almost surely, 242412975 is an apocalyptic number.

42412975 is a deficient number, since it is larger than the sum of its proper divisors (14960585).

42412975 is a wasteful number, since it uses less digits than its factorization.

42412975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154250 (or 154245 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 42412975 is about 6512.5244721229. The cubic root of 42412975 is about 348.7382459436.

The spelling of 42412975 in words is "forty-two million, four hundred twelve thousand, nine hundred seventy-five".

Divisors: 1 5 11 25 55 275 154229 771145 1696519 3855725 8482595 42412975