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24434940 = 2235407249
BaseRepresentation
bin101110100110…
…1100011111100
31200222102102210
41131031203330
522223404230
62231420420
7414456615
oct135154374
950872383
1024434940
111287a372
128224710
1350a6c5a
143360c0c
152229eb0
hex174d8fc

24434940 has 24 divisors (see below), whose sum is σ = 68418000. Its totient is φ = 6515968.

The previous prime is 24434903. The next prime is 24434941. The reversal of 24434940 is 4943442.

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 = 24434898 and 24434907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24434941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203565 + ... + 203684.

It is an arithmetic number, because the mean of its divisors is an integer number (2850750).

Almost surely, 224434940 is an apocalyptic number.

24434940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24434940 is an abundant number, since it is smaller than the sum of its proper divisors (43983060).

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

24434940 is a wasteful number, since it uses less digits than its factorization.

24434940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407261 (or 407259 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 24434940 is about 4943.1710470102. The cubic root of 24434940 is about 290.1819706120.

The spelling of 24434940 in words is "twenty-four million, four hundred thirty-four thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 407249 814498 1221747 1628996 2036245 2443494 4072490 4886988 6108735 8144980 12217470 24434940