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42395677 = 419101183
BaseRepresentation
bin1010000110111…
…0100000011101
32221202220221021
42201232200131
541323130202
64112404141
71023233362
oct241564035
987686837
1042395677
1121a27555
1212246651
138a250cc
1458b8469
153ac6a37
hex286e81d

42395677 has 4 divisors (see below), whose sum is σ = 42497280. Its totient is φ = 42294076.

The previous prime is 42395663. The next prime is 42395719. The reversal of 42395677 is 77659324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42395677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42395627) 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, 50173 + ... + 51010.

It is an arithmetic number, because the mean of its divisors is an integer number (10624320).

Almost surely, 242395677 is an apocalyptic number.

It is an amenable number.

42395677 is a deficient number, since it is larger than the sum of its proper divisors (101603).

42395677 is a wasteful number, since it uses less digits than its factorization.

42395677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101602.

The product of its digits is 317520, while the sum is 43.

The square root of 42395677 is about 6511.1962802545. The cubic root of 42395677 is about 348.6908288936.

It can be divided in two parts, 423 and 95677, that added together give a square (96100 = 3102).

The spelling of 42395677 in words is "forty-two million, three hundred ninety-five thousand, six hundred seventy-seven".

Divisors: 1 419 101183 42395677