[go: up one dir, main page]

Search a number
-
+
24401261 is a prime number
BaseRepresentation
bin101110100010…
…1010101101101
31200220201020102
41131011111231
522221320021
62231000445
7414256463
oct135052555
950821212
1024401261
1112857035
128209125
135094821
143352833
15222000b
hex174556d

24401261 has 2 divisors, whose sum is σ = 24401262. Its totient is φ = 24401260.

The previous prime is 24401257. The next prime is 24401269. The reversal of 24401261 is 16210442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24157225 + 244036 = 4915^2 + 494^2 .

It is a cyclic number.

It is not a de Polignac number, because 24401261 - 22 = 24401257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24401269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12200630 + 12200631.

It is an arithmetic number, because the mean of its divisors is an integer number (12200631).

Almost surely, 224401261 is an apocalyptic number.

It is an amenable number.

24401261 is a deficient number, since it is larger than the sum of its proper divisors (1).

24401261 is an equidigital number, since it uses as much as digits as its factorization.

24401261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 24401261 is about 4939.7632534363. The cubic root of 24401261 is about 290.0485887671.

The spelling of 24401261 in words is "twenty-four million, four hundred one thousand, two hundred sixty-one".