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42616471 = 79539449
BaseRepresentation
bin1010001010010…
…0011010010111
32222012010210211
42202210122113
541402211341
64121230251
71025143162
oct242443227
988163724
1042616471
1122068427
1212332387
138aa1761
145934ad9
153b1c181
hex28a4697

42616471 has 4 divisors (see below), whose sum is σ = 43156000. Its totient is φ = 42076944.

The previous prime is 42616463. The next prime is 42616571. The reversal of 42616471 is 17461624.

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

It is a cyclic number.

It is not a de Polignac number, because 42616471 - 23 = 42616463 is a prime.

It is a super-3 number, since 3×426164713 (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 (42616421) 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, 269646 + ... + 269803.

It is an arithmetic number, because the mean of its divisors is an integer number (10789000).

Almost surely, 242616471 is an apocalyptic number.

42616471 is a deficient number, since it is larger than the sum of its proper divisors (539529).

42616471 is an equidigital number, since it uses as much as digits as its factorization.

42616471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539528.

The product of its digits is 8064, while the sum is 31.

The square root of 42616471 is about 6528.1292113438. The cubic root of 42616471 is about 349.2951010165.

The spelling of 42616471 in words is "forty-two million, six hundred sixteen thousand, four hundred seventy-one".

Divisors: 1 79 539449 42616471