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24420097 = 131939733
BaseRepresentation
bin101110100100…
…1111100000001
31200221200002001
41131021330001
522222420342
62231224001
7414365422
oct135117401
950850061
1024420097
111286a1a9
128218001
1350a0280
143359649
1522258b7
hex1749f01

24420097 has 8 divisors (see below), whose sum is σ = 26437544. Its totient is φ = 22422528.

The previous prime is 24420049. The next prime is 24420101. The reversal of 24420097 is 79002442.

It can be written as a sum of positive squares in 4 ways, for example, as 1752976 + 22667121 = 1324^2 + 4761^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-24420097 is a prime.

It is a super-2 number, since 2×244200972 = 1192682274978818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24420017) 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, 2358 + ... + 7375.

It is an arithmetic number, because the mean of its divisors is an integer number (3304693).

Almost surely, 224420097 is an apocalyptic number.

It is an amenable number.

24420097 is a deficient number, since it is larger than the sum of its proper divisors (2017447).

24420097 is a wasteful number, since it uses less digits than its factorization.

24420097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9939.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 24420097 is about 4941.6694547491. The cubic root of 24420097 is about 290.1232017150.

The spelling of 24420097 in words is "twenty-four million, four hundred twenty thousand, ninety-seven".

Divisors: 1 13 193 2509 9733 126529 1878469 24420097