Search a number
-
+
24313121 = 727712539
BaseRepresentation
bin101110010111…
…1110100100001
31200202020022222
41130233310201
522211004441
62225040425
7413441510
oct134576441
950666288
1024313121
11127a6898
128186115
135063681
14332c677
152203d4b
hex172fd21

24313121 has 8 divisors (see below), whose sum is σ = 27888960. Its totient is φ = 20762928.

The previous prime is 24313117. The next prime is 24313129. The reversal of 24313121 is 12131342.

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 24313121 - 22 = 24313117 is a prime.

It is a super-2 number, since 2×243131212 = 1182255705521282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 24313121.

It is not an unprimeable number, because it can be changed into a prime (24313129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4331 + ... + 8208.

It is an arithmetic number, because the mean of its divisors is an integer number (3486120).

Almost surely, 224313121 is an apocalyptic number.

It is an amenable number.

24313121 is a deficient number, since it is larger than the sum of its proper divisors (3575839).

24313121 is a wasteful number, since it uses less digits than its factorization.

24313121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12823.

The product of its digits is 144, while the sum is 17.

The square root of 24313121 is about 4930.8337023266. The cubic root of 24313121 is about 289.6989384549.

Adding to 24313121 its reverse (12131342), we get a palindrome (36444463).

The spelling of 24313121 in words is "twenty-four million, three hundred thirteen thousand, one hundred twenty-one".

Divisors: 1 7 277 1939 12539 87773 3473303 24313121