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24136140 = 2235757467
BaseRepresentation
bin101110000010…
…0100111001100
31200102020120010
41130010213030
522134324030
62221153220
7412103520
oct134044714
950366503
1024136140
1112695926
1280bb810
135000c52
1432c3d80
1521bb6b0
hex17049cc

24136140 has 48 divisors (see below), whose sum is σ = 77236992. Its totient is φ = 5516736.

The previous prime is 24136139. The next prime is 24136153. The reversal of 24136140 is 4163142.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28314 + ... + 29153.

It is an arithmetic number, because the mean of its divisors is an integer number (1609104).

Almost surely, 224136140 is an apocalyptic number.

24136140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24136140 is an abundant number, since it is smaller than the sum of its proper divisors (53100852).

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

24136140 is a wasteful number, since it uses less digits than its factorization.

24136140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57486 (or 57484 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 24136140 is about 4912.8545673569. The cubic root of 24136140 is about 288.9942967310.

Adding to 24136140 its reverse (4163142), we get a palindrome (28299282).

The spelling of 24136140 in words is "twenty-four million, one hundred thirty-six thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 57467 114934 172401 229868 287335 344802 402269 574670 689604 804538 862005 1149340 1206807 1609076 1724010 2011345 2413614 3448020 4022690 4827228 6034035 8045380 12068070 24136140