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24980540 = 2251396079
BaseRepresentation
bin101111101001…
…0110000111100
31202000010212012
41133102300330
522343334130
62251230352
7422221364
oct137226074
952003765
1024980540
1113112282
1284483b8
1352383b0
1434639a4
1522d6995
hex17d2c3c

24980540 has 24 divisors (see below), whose sum is σ = 56495040. Its totient is φ = 9223488.

The previous prime is 24980539. The next prime is 24980561. The reversal of 24980540 is 4508942.

It is a junction number, because it is equal to n+sod(n) for n = 24980497 and 24980506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47780 + ... + 48299.

It is an arithmetic number, because the mean of its divisors is an integer number (2353960).

Almost surely, 224980540 is an apocalyptic number.

24980540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24980540 is an abundant number, since it is smaller than the sum of its proper divisors (31514500).

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

24980540 is a wasteful number, since it uses less digits than its factorization.

24980540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96101 (or 96099 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 24980540 is about 4998.0536211609. The cubic root of 24980540 is about 292.3258856138.

The spelling of 24980540 in words is "twenty-four million, nine hundred eighty thousand, five hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 96079 192158 384316 480395 960790 1249027 1921580 2498054 4996108 6245135 12490270 24980540