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42095823 = 3711182233
BaseRepresentation
bin1010000010010…
…1010011001111
32221012200121120
42200211103033
541234031243
64102132023
71020544230
oct240452317
987180546
1042095823
1121842240
1212121013
13894b793
14583b087
153a67c83
hex28254cf

42095823 has 16 divisors (see below), whose sum is σ = 69977856. Its totient is φ = 21867840.

The previous prime is 42095821. The next prime is 42095831. The reversal of 42095823 is 32859024.

It is a happy number.

It is not a de Polignac number, because 42095823 - 21 = 42095821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42095821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90886 + ... + 91347.

It is an arithmetic number, because the mean of its divisors is an integer number (4373616).

Almost surely, 242095823 is an apocalyptic number.

42095823 is a deficient number, since it is larger than the sum of its proper divisors (27882033).

42095823 is a wasteful number, since it uses less digits than its factorization.

42095823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182254.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 42095823 is about 6488.1293914348. The cubic root of 42095823 is about 347.8668155299.

The spelling of 42095823 in words is "forty-two million, ninety-five thousand, eight hundred twenty-three".

Divisors: 1 3 7 11 21 33 77 231 182233 546699 1275631 2004563 3826893 6013689 14031941 42095823