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24994390 = 252499439
BaseRepresentation
bin101111101011…
…0001001010110
31202000211212011
41133112021112
522344310030
62251414434
7422306641
oct137261126
952024764
1024994390
1113121723
12845441a
1352417a5
143468a58
1522dab2a
hex17d6256

24994390 has 8 divisors (see below), whose sum is σ = 44989920. Its totient is φ = 9997752.

The previous prime is 24994363. The next prime is 24994391. The reversal of 24994390 is 9349942.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24994391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1249710 + ... + 1249729.

It is an arithmetic number, because the mean of its divisors is an integer number (5623740).

Almost surely, 224994390 is an apocalyptic number.

24994390 is a deficient number, since it is larger than the sum of its proper divisors (19995530).

24994390 is a wasteful number, since it uses less digits than its factorization.

24994390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499446.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 24994390 is about 4999.4389685244. The cubic root of 24994390 is about 292.3799005324.

It can be divided in two parts, 2499 and 4390, that added together give a square (6889 = 832).

The spelling of 24994390 in words is "twenty-four million, nine hundred ninety-four thousand, three hundred ninety".

Divisors: 1 2 5 10 2499439 4998878 12497195 24994390