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24081381 = 34595039
BaseRepresentation
bin101101111011…
…1001111100101
31200022110110000
41123313033211
522131101011
62220051513
7411455052
oct133671745
950273400
1024081381
1112658775
128093b99
134cb204c
1432ac029
1521aa356
hex16f73e5

24081381 has 20 divisors (see below), whose sum is σ = 36590400. Its totient is φ = 15779016.

The previous prime is 24081311. The next prime is 24081383. The reversal of 24081381 is 18318042.

It is not a de Polignac number, because 24081381 - 29 = 24080869 is a prime.

It is a super-2 number, since 2×240813812 = 1159825821734322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24081383) 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 19 ways as a sum of consecutive naturals, for example, 2260 + ... + 7298.

It is an arithmetic number, because the mean of its divisors is an integer number (1829520).

Almost surely, 224081381 is an apocalyptic number.

It is an amenable number.

24081381 is a deficient number, since it is larger than the sum of its proper divisors (12509019).

24081381 is an equidigital number, since it uses as much as digits as its factorization.

24081381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110 (or 5101 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 24081381 is about 4907.2783699317. The cubic root of 24081381 is about 288.7755787764.

The spelling of 24081381 in words is "twenty-four million, eighty-one thousand, three hundred eighty-one".

Divisors: 1 3 9 27 59 81 177 531 1593 4779 5039 15117 45351 136053 297301 408159 891903 2675709 8027127 24081381