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42042963 = 373191977
BaseRepresentation
bin1010000001100…
…0011001010011
32221010000002210
42200120121103
541230333323
64101043203
71020234144
oct240303123
987100083
1042042963
1121806556
12120b6503
1389306c1
145825acb
153a57293
hex2818653

42042963 has 8 divisors (see below), whose sum is σ = 56825488. Its totient is φ = 27644544.

The previous prime is 42042961. The next prime is 42043003. The reversal of 42042963 is 36924024.

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

It is not a de Polignac number, because 42042963 - 21 = 42042961 is a prime.

It is a super-2 number, since 2×420429632 = 3535221475638738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42042963.

It is not an unprimeable number, because it can be changed into a prime (42042961) 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, 95770 + ... + 96207.

It is an arithmetic number, because the mean of its divisors is an integer number (7103186).

Almost surely, 242042963 is an apocalyptic number.

42042963 is a deficient number, since it is larger than the sum of its proper divisors (14782525).

42042963 is a wasteful number, since it uses less digits than its factorization.

42042963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192053.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 42042963 is about 6484.0545185863. The cubic root of 42042963 is about 347.7211483300.

Adding to 42042963 its reverse (36924024), we get a palindrome (78966987).

The spelling of 42042963 in words is "forty-two million, forty-two thousand, nine hundred sixty-three".

Divisors: 1 3 73 219 191977 575931 14014321 42042963