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24131420 = 2258314537
BaseRepresentation
bin101110000001…
…1011101011100
31200102000002022
41130003131130
522134201140
62221115312
7412053665
oct134033534
950360068
1024131420
1112692325
1280b8b38
134ccba61
1432c236c
1521ba0b5
hex170375c

24131420 has 24 divisors (see below), whose sum is σ = 51290064. Its totient is φ = 9535616.

The previous prime is 24131407. The next prime is 24131431. The reversal of 24131420 is 2413142.

It is a congruent number.

It is an unprimeable number.

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, 5609 + ... + 8928.

It is an arithmetic number, because the mean of its divisors is an integer number (2137086).

Almost surely, 224131420 is an apocalyptic number.

24131420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24131420 is an abundant number, since it is smaller than the sum of its proper divisors (27158644).

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

24131420 is a wasteful number, since it uses less digits than its factorization.

24131420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14629 (or 14627 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 24131420 is about 4912.3741714165. The cubic root of 24131420 is about 288.9754571815.

Adding to 24131420 its reverse (2413142), we get a palindrome (26544562).

The spelling of 24131420 in words is "twenty-four million, one hundred thirty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1660 14537 29074 58148 72685 145370 290740 1206571 2413142 4826284 6032855 12065710 24131420