Search a number
-
+
41939287 = 133226099
BaseRepresentation
bin1001111111111…
…1000101010111
32220220201212221
42133333011113
541214024122
64054523211
71016322655
oct237770527
986821787
1041939287
1121745675
1212066507
1388c5460
1457d9dd5
153a366c7
hex27ff157

41939287 has 4 divisors (see below), whose sum is σ = 45165400. Its totient is φ = 38713176.

The previous prime is 41939279. The next prime is 41939291. The reversal of 41939287 is 78293914.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78293914 = 239146957.

It is a cyclic number.

It is not a de Polignac number, because 41939287 - 23 = 41939279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41939297) 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, 1613037 + ... + 1613062.

It is an arithmetic number, because the mean of its divisors is an integer number (11291350).

Almost surely, 241939287 is an apocalyptic number.

41939287 is a deficient number, since it is larger than the sum of its proper divisors (3226113).

41939287 is a wasteful number, since it uses less digits than its factorization.

41939287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226112.

The product of its digits is 108864, while the sum is 43.

The square root of 41939287 is about 6476.0548947642. The cubic root of 41939287 is about 347.4350916498.

The spelling of 41939287 in words is "forty-one million, nine hundred thirty-nine thousand, two hundred eighty-seven".

Divisors: 1 13 3226099 41939287