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24990534 = 2321388363
BaseRepresentation
bin101111101010…
…1001101000110
31202000122120100
41133111031012
522344144114
62251344530
7422262462
oct137251506
952018510
1024990534
1113119838
128452146
13523caca
1434674a2
1522d9909
hex17d5346

24990534 has 12 divisors (see below), whose sum is σ = 54146196. Its totient is φ = 8330172.

The previous prime is 24990533. The next prime is 24990551. The reversal of 24990534 is 43509942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24990533) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 694164 + ... + 694199.

It is an arithmetic number, because the mean of its divisors is an integer number (4512183).

Almost surely, 224990534 is an apocalyptic number.

24990534 is an abundant number, since it is smaller than the sum of its proper divisors (29155662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

24990534 is a wasteful number, since it uses less digits than its factorization.

24990534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388371 (or 1388368 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 24990534 is about 4999.0533103779. The cubic root of 24990534 is about 292.3648641599.

The spelling of 24990534 in words is "twenty-four million, nine hundred ninety thousand, five hundred thirty-four".

Divisors: 1 2 3 6 9 18 1388363 2776726 4165089 8330178 12495267 24990534