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42627740 = 2252392669
BaseRepresentation
bin1010001010011…
…1001010011100
32222012201021012
42202213022130
541403041430
64121354352
71025221061
oct242471234
988181235
1042627740
1122075941
12123389b8
138aa691c
145938c68
153b20695
hex28a729c

42627740 has 24 divisors (see below), whose sum is σ = 93411360. Its totient is φ = 16309568.

The previous prime is 42627733. The next prime is 42627743. The reversal of 42627740 is 4772624.

It is a junction number, because it is equal to n+sod(n) for n = 42627697 and 42627706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42627743) 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, 45875 + ... + 46794.

It is an arithmetic number, because the mean of its divisors is an integer number (3892140).

Almost surely, 242627740 is an apocalyptic number.

It is an amenable number.

42627740 is an abundant number, since it is smaller than the sum of its proper divisors (50783620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42627740 is a wasteful number, since it uses less digits than its factorization.

42627740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92701 (or 92699 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 42627740 is about 6528.9922652734. The cubic root of 42627740 is about 349.3258861370.

The spelling of 42627740 in words is "forty-two million, six hundred twenty-seven thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 92669 185338 370676 463345 926690 1853380 2131387 4262774 8525548 10656935 21313870 42627740