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42650471 = 46739127
BaseRepresentation
bin1010001010110…
…0101101100111
32222020212110002
42202230231213
541404303341
64122051515
71025344253
oct242545547
988225402
1042650471
1122090a26
1212349b9b
138ab4086
145943263
153b2729b
hex28acb67

42650471 has 4 divisors (see below), whose sum is σ = 42664272. Its totient is φ = 42636672.

The previous prime is 42650449. The next prime is 42650483. The reversal of 42650471 is 17405624.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42650471 - 214 = 42634087 is a prime.

It is a super-3 number, since 3×426504713 (a number of 24 digits) contains 333 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 (42650431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110 + ... + 9236.

It is an arithmetic number, because the mean of its divisors is an integer number (10666068).

Almost surely, 242650471 is an apocalyptic number.

42650471 is a deficient number, since it is larger than the sum of its proper divisors (13801).

42650471 is an equidigital number, since it uses as much as digits as its factorization.

42650471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13800.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 42650471 is about 6530.7328072736. The cubic root of 42650471 is about 349.3879671178.

The spelling of 42650471 in words is "forty-two million, six hundred fifty thousand, four hundred seventy-one".

Divisors: 1 4673 9127 42650471