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24842140 = 2251242107
BaseRepresentation
bin101111011000…
…0111110011100
31201202010000021
41132300332130
522324422030
62244241524
7421104031
oct136607634
951663007
1024842140
11130282a4
1283a02a4
1351ba3bb
143429388
1522aa97a
hex17b0f9c

24842140 has 12 divisors (see below), whose sum is σ = 52168536. Its totient is φ = 9936848.

The previous prime is 24842137. The next prime is 24842143. The reversal of 24842140 is 4124842.

It is an interprime number because it is at equal distance from previous prime (24842137) and next prime (24842143).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24842143) 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, 621034 + ... + 621073.

It is an arithmetic number, because the mean of its divisors is an integer number (4347378).

Almost surely, 224842140 is an apocalyptic number.

24842140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24842140 is an abundant number, since it is smaller than the sum of its proper divisors (27326396).

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

24842140 is a wasteful number, since it uses less digits than its factorization.

24842140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242116 (or 1242114 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 24842140 is about 4984.1890012318. The cubic root of 24842140 is about 291.7850266109.

Adding to 24842140 its reverse (4124842), we get a palindrome (28966982).

It can be divided in two parts, 2484 and 2140, that added together give a square (4624 = 682).

The spelling of 24842140 in words is "twenty-four million, eight hundred forty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 1242107 2484214 4968428 6210535 12421070 24842140