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42460491 = 373319309
BaseRepresentation
bin1010000111111…
…0010101001011
32221220012211210
42201332111023
541332213431
64114024203
71023623343
oct241762513
987805753
1042460491
1121a71217
1212278063
138a48768
1458d3d23
153adad46
hex287e54b

42460491 has 8 divisors (see below), whose sum is σ = 56694160. Its totient is φ = 28266912.

The previous prime is 42460477. The next prime is 42460549. The reversal of 42460491 is 19406424.

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

It is not a de Polignac number, because 42460491 - 26 = 42460427 is a prime.

It is a super-2 number, since 2×424604912 = 3605786591922162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42460091) 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, 7456 + ... + 11853.

It is an arithmetic number, because the mean of its divisors is an integer number (7086770).

Almost surely, 242460491 is an apocalyptic number.

42460491 is a deficient number, since it is larger than the sum of its proper divisors (14233669).

42460491 is a wasteful number, since it uses less digits than its factorization.

42460491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20045.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 42460491 is about 6516.1714986639. The cubic root of 42460491 is about 348.8684298650.

The spelling of 42460491 in words is "forty-two million, four hundred sixty thousand, four hundred ninety-one".

Divisors: 1 3 733 2199 19309 57927 14153497 42460491