Search a number
-
+
7401141841 = 31472108079
BaseRepresentation
bin1101110010010010…
…00111011001010001
3201002210112221221111
412321021013121101
5110124143014331
63222224053321
7351256445002
oct67111073121
921083487844
107401141841
11315882a455
121526764241
1390c457192
14502d3b1a9
152d4b55db1
hex1b9247651

7401141841 has 12 divisors (see below), whose sum is σ = 7805969920. Its totient is φ = 7009939080.

The previous prime is 7401141829. The next prime is 7401141859. The reversal of 7401141841 is 1481411047.

It is not a de Polignac number, because 7401141841 - 25 = 7401141809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7401145841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14440 + ... + 122518.

Almost surely, 27401141841 is an apocalyptic number.

It is an amenable number.

7401141841 is a deficient number, since it is larger than the sum of its proper divisors (404828079).

7401141841 is a wasteful number, since it uses less digits than its factorization.

7401141841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108204 (or 108157 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 7401141841 is about 86029.8892304297. The cubic root of 7401141841 is about 1948.7953849510.

Adding to 7401141841 its reverse (1481411047), we get a palindrome (8882552888).

The spelling of 7401141841 in words is "seven billion, four hundred one million, one hundred forty-one thousand, eight hundred forty-one".

Divisors: 1 31 47 1457 2209 68479 108079 3350449 5079713 157471103 238746511 7401141841