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24973140 = 2235416219
BaseRepresentation
bin101111101000…
…0111101010100
31201222202201010
41133100331110
522343120030
62251132220
7422160663
oct137207524
951882633
1024973140
1113107765
128444070
135234c0a
143460dda
1522d46b0
hex17d0f54

24973140 has 24 divisors (see below), whose sum is σ = 69924960. Its totient is φ = 6659488.

The previous prime is 24973139. The next prime is 24973171. The reversal of 24973140 is 4137942.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 24973098 and 24973107.

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, 208050 + ... + 208169.

It is an arithmetic number, because the mean of its divisors is an integer number (2913540).

Almost surely, 224973140 is an apocalyptic number.

24973140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24973140 is an abundant number, since it is smaller than the sum of its proper divisors (44951820).

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

24973140 is a wasteful number, since it uses less digits than its factorization.

24973140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416231 (or 416229 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 24973140 is about 4997.3132781526. The cubic root of 24973140 is about 292.2970174737.

The spelling of 24973140 in words is "twenty-four million, nine hundred seventy-three thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 416219 832438 1248657 1664876 2081095 2497314 4162190 4994628 6243285 8324380 12486570 24973140