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42600631 = 61698371
BaseRepresentation
bin1010001010000…
…0100010110111
32222011100002011
42202200202313
541401210011
64121025051
71025046043
oct242404267
988140064
1042600631
1122057537
1212325187
138a97498
14592d023
153b17621
hex28a08b7

42600631 has 4 divisors (see below), whose sum is σ = 43299064. Its totient is φ = 41902200.

The previous prime is 42600619. The next prime is 42600643. The reversal of 42600631 is 13600624.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42600619) and next prime (42600643).

It is a cyclic number.

It is not a de Polignac number, because 42600631 - 221 = 40503479 is a prime.

It is a super-2 number, since 2×426006312 = 3629627523196322, 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 (42600601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349125 + ... + 349246.

It is an arithmetic number, because the mean of its divisors is an integer number (10824766).

Almost surely, 242600631 is an apocalyptic number.

42600631 is a deficient number, since it is larger than the sum of its proper divisors (698433).

42600631 is an equidigital number, since it uses as much as digits as its factorization.

42600631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698432.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 42600631 is about 6526.9158873085. The cubic root of 42600631 is about 349.2518194721.

The spelling of 42600631 in words is "forty-two million, six hundred thousand, six hundred thirty-one".

Divisors: 1 61 698371 42600631