Search a number
-
+
24681401 is a prime number
BaseRepresentation
bin101111000100…
…1101110111001
31201102221111222
41132021232321
522304301101
62241001425
7416534303
oct136115671
951387458
1024681401
1112a28558
128323275
1351621a4
1433c6973
15227801b
hex1789bb9

24681401 has 2 divisors, whose sum is σ = 24681402. Its totient is φ = 24681400.

The previous prime is 24681383. The next prime is 24681409. The reversal of 24681401 is 10418642.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24157225 + 524176 = 4915^2 + 724^2 .

It is a cyclic number.

It is not a de Polignac number, because 24681401 - 26 = 24681337 is a prime.

It is equal to p1547252 and since 24681401 and 1547252 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (24681409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12340700 + 12340701.

It is an arithmetic number, because the mean of its divisors is an integer number (12340701).

Almost surely, 224681401 is an apocalyptic number.

It is an amenable number.

24681401 is a deficient number, since it is larger than the sum of its proper divisors (1).

24681401 is an equidigital number, since it uses as much as digits as its factorization.

24681401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 24681401 is about 4968.0379426892. The cubic root of 24681401 is about 291.1543408026.

The spelling of 24681401 in words is "twenty-four million, six hundred eighty-one thousand, four hundred one".