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42401367 = 331570421
BaseRepresentation
bin1010000110111…
…1111001010111
32221210012202000
42201233321113
541323320432
64112450343
71023256101
oct241577127
987705660
1042401367
1121a30858
12122499b3
138a27888
1458ba571
153ac857c
hex286fe57

42401367 has 8 divisors (see below), whose sum is σ = 62816880. Its totient is φ = 28267560.

The previous prime is 42401357. The next prime is 42401399. The reversal of 42401367 is 76310424.

It is not a de Polignac number, because 42401367 - 27 = 42401239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1570421 = 42401367 / (4 + 2 + 4 + 0 + 1 + 3 + 6 + 7).

It is a self number, because there is not a number n which added to its sum of digits gives 42401367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42401347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785184 + ... + 785237.

It is an arithmetic number, because the mean of its divisors is an integer number (7852110).

Almost surely, 242401367 is an apocalyptic number.

42401367 is a deficient number, since it is larger than the sum of its proper divisors (20415513).

42401367 is a wasteful number, since it uses less digits than its factorization.

42401367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570430 (or 1570424 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 42401367 is about 6511.6332052719. The cubic root of 42401367 is about 348.7064276700.

The spelling of 42401367 in words is "forty-two million, four hundred one thousand, three hundred sixty-seven".

Divisors: 1 3 9 27 1570421 4711263 14133789 42401367