Search a number
-
+
41775421 = 81151511
BaseRepresentation
bin1001111101011…
…1000100111101
32220121102002211
42133113010331
541143303141
64051220421
71015041142
oct237270475
986542084
1041775421
1121643546
1211ba7711
1388689ac
1457963c9
153a02d81
hex27d713d

41775421 has 4 divisors (see below), whose sum is σ = 41827744. Its totient is φ = 41723100.

The previous prime is 41775413. The next prime is 41775439. The reversal of 41775421 is 12457714.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12457714 = 26228857.

It is a cyclic number.

It is not a de Polignac number, because 41775421 - 23 = 41775413 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 (41775401) 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, 24945 + ... + 26566.

It is an arithmetic number, because the mean of its divisors is an integer number (10456936).

Almost surely, 241775421 is an apocalyptic number.

It is an amenable number.

41775421 is a deficient number, since it is larger than the sum of its proper divisors (52323).

41775421 is an equidigital number, since it uses as much as digits as its factorization.

41775421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52322.

The product of its digits is 7840, while the sum is 31.

The square root of 41775421 is about 6463.3908283501. The cubic root of 41775421 is about 346.9819993043.

The spelling of 41775421 in words is "forty-one million, seven hundred seventy-five thousand, four hundred twenty-one".

Divisors: 1 811 51511 41775421