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42175297 = 118735531
BaseRepresentation
bin1010000011100…
…0101101000001
32221100201122001
42200320231001
541244102142
64103544001
71021325023
oct240705501
987321561
1042175297
1121896a1a
121215b001
1389789c8
14585c013
153a815b7
hex2838b41

42175297 has 4 divisors (see below), whose sum is σ = 42212016. Its totient is φ = 42138580.

The previous prime is 42175271. The next prime is 42175327. The reversal of 42175297 is 79257124.

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 not a de Polignac number, because 42175297 - 211 = 42173249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42175247) 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, 16579 + ... + 18952.

It is an arithmetic number, because the mean of its divisors is an integer number (10553004).

Almost surely, 242175297 is an apocalyptic number.

It is an amenable number.

42175297 is a deficient number, since it is larger than the sum of its proper divisors (36719).

42175297 is a wasteful number, since it uses less digits than its factorization.

42175297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36718.

The product of its digits is 35280, while the sum is 37.

The square root of 42175297 is about 6494.2510730645. The cubic root of 42175297 is about 348.0855940642.

The spelling of 42175297 in words is "forty-two million, one hundred seventy-five thousand, two hundred ninety-seven".

Divisors: 1 1187 35531 42175297