Search a number
-
+
8042461 = 72334931
BaseRepresentation
bin11110101011011111011101
3120010121011221
4132223133131
54024324321
6444213341
7125234260
oct36533735
916117157
108042461
1145a3469
12283a251
13188786b
1410d4cd7
15a8ce41
hex7ab7dd

8042461 has 8 divisors (see below), whose sum is σ = 9232704. Its totient is φ = 6862560.

The previous prime is 8042449. The next prime is 8042471. The reversal of 8042461 is 1642408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8042461 - 211 = 8040413 is a prime.

It is a Duffinian number.

8042461 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8042471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835 + ... + 4096.

It is an arithmetic number, because the mean of its divisors is an integer number (1154088).

Almost surely, 28042461 is an apocalyptic number.

It is an amenable number.

8042461 is a deficient number, since it is larger than the sum of its proper divisors (1190243).

8042461 is a wasteful number, since it uses less digits than its factorization.

8042461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5171.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 8042461 is about 2835.9233064383. The cubic root of 8042461 is about 200.3532174865.

Adding to 8042461 its reverse (1642408), we get a palindrome (9684869).

The spelling of 8042461 in words is "eight million, forty-two thousand, four hundred sixty-one".

Divisors: 1 7 233 1631 4931 34517 1148923 8042461