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42114431 = 197131219
BaseRepresentation
bin1010000010100…
…1110101111111
32221020122010202
42200221311333
541240130211
64102354115
71020652412
oct240516577
987218122
1042114431
1121855217
121212b93b
1389570a8
145843b79
153a6d53b
hex2829d7f

42114431 has 8 divisors (see below), whose sum is σ = 44956800. Its totient is φ = 39334680.

The previous prime is 42114427. The next prime is 42114433. The reversal of 42114431 is 13441124.

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

It is a cyclic number.

It is not a de Polignac number, because 42114431 - 22 = 42114427 is a prime.

It is a super-2 number, since 2×421144312 = 3547250596907522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42114433) 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, 14261 + ... + 16958.

It is an arithmetic number, because the mean of its divisors is an integer number (5619600).

Almost surely, 242114431 is an apocalyptic number.

42114431 is a deficient number, since it is larger than the sum of its proper divisors (2842369).

42114431 is a wasteful number, since it uses less digits than its factorization.

42114431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31309.

The product of its digits is 384, while the sum is 20.

The square root of 42114431 is about 6489.5632364590. The cubic root of 42114431 is about 347.9180648913.

Adding to 42114431 its reverse (13441124), we get a palindrome (55555555).

The spelling of 42114431 in words is "forty-two million, one hundred fourteen thousand, four hundred thirty-one".

Divisors: 1 19 71 1349 31219 593161 2216549 42114431