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42457341 = 317478101
BaseRepresentation
bin1010000111110…
…1100011111101
32221220001112010
42201331203331
541332113331
64114001433
71023611223
oct241754375
987801463
1042457341
1121a69913
1212276279
138a471b4
1458d2b13
153ad9e46
hex287d8fd

42457341 has 8 divisors (see below), whose sum is σ = 56649184. Its totient is φ = 28285200.

The previous prime is 42457339. The next prime is 42457357. The reversal of 42457341 is 14375424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42457341 - 21 = 42457339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42457299 and 42457308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42457301) 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, 1191 + ... + 9291.

It is an arithmetic number, because the mean of its divisors is an integer number (7081148).

Almost surely, 242457341 is an apocalyptic number.

It is an amenable number.

42457341 is a deficient number, since it is larger than the sum of its proper divisors (14191843).

42457341 is a wasteful number, since it uses less digits than its factorization.

42457341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9851.

The product of its digits is 13440, while the sum is 30.

The square root of 42457341 is about 6515.9297878353. The cubic root of 42457341 is about 348.8598025293.

The spelling of 42457341 in words is "forty-two million, four hundred fifty-seven thousand, three hundred forty-one".

Divisors: 1 3 1747 5241 8101 24303 14152447 42457341