Search a number
-
+
41247994 = 220623997
BaseRepresentation
bin1001110101011…
…0010011111010
32212121121121111
42131112103322
541024413434
64032030534
71010413354
oct235262372
985547544
1041247994
1121313257
121199244a
1387128c8
14569a0d4
15394b964
hex27564fa

41247994 has 4 divisors (see below), whose sum is σ = 61871994. Its totient is φ = 20623996.

The previous prime is 41247991. The next prime is 41248003. The reversal of 41247994 is 49974214.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49974214 = 224987107.

It can be written as a sum of positive squares in only one way, i.e., 31866025 + 9381969 = 5645^2 + 3063^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (41247991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10311997 + ... + 10312000.

Almost surely, 241247994 is an apocalyptic number.

41247994 is a deficient number, since it is larger than the sum of its proper divisors (20624000).

41247994 is a wasteful number, since it uses less digits than its factorization.

41247994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20623999.

The product of its digits is 72576, while the sum is 40.

The square root of 41247994 is about 6422.4601205457. The cubic root of 41247994 is about 345.5155604768.

The spelling of 41247994 in words is "forty-one million, two hundred forty-seven thousand, nine hundred ninety-four".

Divisors: 1 2 20623997 41247994