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42538179 = 360123593
BaseRepresentation
bin1010001001000…
…1010011000011
32222001011102010
42202101103003
541342210204
64115424003
71024366005
oct242212303
988034363
1042538179
1122014622
12122b5003
138a74c28
145914375
153b03d89
hex28914c3

42538179 has 8 divisors (see below), whose sum is σ = 56814352. Its totient is φ = 28310400.

The previous prime is 42538151. The next prime is 42538193. The reversal of 42538179 is 97183524.

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

It is not a de Polignac number, because 42538179 - 29 = 42537667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42530179) 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, 9994 + ... + 13599.

It is an arithmetic number, because the mean of its divisors is an integer number (7101794).

Almost surely, 242538179 is an apocalyptic number.

42538179 is a deficient number, since it is larger than the sum of its proper divisors (14276173).

42538179 is a wasteful number, since it uses less digits than its factorization.

42538179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24197.

The product of its digits is 60480, while the sum is 39.

The square root of 42538179 is about 6522.1299435077. The cubic root of 42538179 is about 349.0810697183.

The spelling of 42538179 in words is "forty-two million, five hundred thirty-eight thousand, one hundred seventy-nine".

Divisors: 1 3 601 1803 23593 70779 14179393 42538179