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24872940 = 2233546061
BaseRepresentation
bin101111011100…
…0011111101100
31201210200021000
41132320133230
522331413230
62245040300
7421262601
oct136703754
951720230
1024872940
1113049454
1283b6090
1351cb421
1434366a8
1522b4b60
hex17b87ec

24872940 has 48 divisors (see below), whose sum is σ = 77384160. Its totient is φ = 6632640.

The previous prime is 24872927. The next prime is 24872941. The reversal of 24872940 is 4927842.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 24872895 and 24872904.

It is not an unprimeable number, because it can be changed into a prime (24872941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22491 + ... + 23570.

It is an arithmetic number, because the mean of its divisors is an integer number (1612170).

Almost surely, 224872940 is an apocalyptic number.

24872940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24872940 is an abundant number, since it is smaller than the sum of its proper divisors (52511220).

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

24872940 is a wasteful number, since it uses less digits than its factorization.

24872940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46079 (or 46071 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 24872940 is about 4987.2778145999. The cubic root of 24872940 is about 291.9055646331.

The spelling of 24872940 in words is "twenty-four million, eight hundred seventy-two thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 46061 92122 138183 184244 230305 276366 414549 460610 552732 690915 829098 921220 1243647 1381830 1658196 2072745 2487294 2763660 4145490 4974588 6218235 8290980 12436470 24872940