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24249340 = 2257117077
BaseRepresentation
bin101110010000…
…0001111111100
31200121222211201
41130200033330
522201434330
62223425244
7413054533
oct134401774
950558751
1024249340
1112762985
128155224
13504062b
14331331a
1521deeca
hex17203fc

24249340 has 24 divisors (see below), whose sum is σ = 51643872. Its totient is φ = 9562560.

The previous prime is 24249331. The next prime is 24249341. The reversal of 24249340 is 4394242.

It is a junction number, because it is equal to n+sod(n) for n = 24249299 and 24249308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24249341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7119 + ... + 9958.

It is an arithmetic number, because the mean of its divisors is an integer number (2151828).

Almost surely, 224249340 is an apocalyptic number.

24249340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24249340 is an abundant number, since it is smaller than the sum of its proper divisors (27394532).

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

24249340 is a wasteful number, since it uses less digits than its factorization.

24249340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17157 (or 17155 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 24249340 is about 4924.3618875952. The cubic root of 24249340 is about 289.4453926591.

The spelling of 24249340 in words is "twenty-four million, two hundred forty-nine thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 17077 34154 68308 85385 170770 341540 1212467 2424934 4849868 6062335 12124670 24249340