Search a number
-
+
41551121 = 66162861
BaseRepresentation
bin1001111010000…
…0010100010001
32220012000102102
42132200110101
541114113441
64042330145
71013115203
oct236402421
986160372
1041551121
11214aaa77
1211ab9955
1387ba881
145738773
1539ab69b
hex27a0511

41551121 has 4 divisors (see below), whose sum is σ = 41614644. Its totient is φ = 41487600.

The previous prime is 41551109. The next prime is 41551151. The reversal of 41551121 is 12115514.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12115514 = 26057757.

It can be written as a sum of positive squares in 2 ways, for example, as 37650496 + 3900625 = 6136^2 + 1975^2 .

It is a cyclic number.

It is not a de Polignac number, because 41551121 - 26 = 41551057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41551093 and 41551102.

It is not an unprimeable number, because it can be changed into a prime (41551151) 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, 30770 + ... + 32091.

It is an arithmetic number, because the mean of its divisors is an integer number (10403661).

Almost surely, 241551121 is an apocalyptic number.

It is an amenable number.

41551121 is a deficient number, since it is larger than the sum of its proper divisors (63523).

41551121 is an equidigital number, since it uses as much as digits as its factorization.

41551121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63522.

The product of its digits is 200, while the sum is 20.

The square root of 41551121 is about 6446.0159013145. The cubic root of 41551121 is about 346.3598809337.

Adding to 41551121 its reverse (12115514), we get a palindrome (53666635).

The spelling of 41551121 in words is "forty-one million, five hundred fifty-one thousand, one hundred twenty-one".

Divisors: 1 661 62861 41551121