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24380940 = 2235406349
BaseRepresentation
bin101110100000…
…0011000001100
31200212200100210
41131000120030
522220142230
62230322420
7414143313
oct135003014
950780323
1024380940
1112842841
1281b9410
1350884bc
14334927a
152218eb0
hex174060c

24380940 has 24 divisors (see below), whose sum is σ = 68266800. Its totient is φ = 6501568.

The previous prime is 24380879. The next prime is 24380947. The reversal of 24380940 is 4908342.

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 = 24380898 and 24380907.

It is not an unprimeable number, because it can be changed into a prime (24380947) 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, 203115 + ... + 203234.

It is an arithmetic number, because the mean of its divisors is an integer number (2844450).

Almost surely, 224380940 is an apocalyptic number.

24380940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24380940 is an abundant number, since it is smaller than the sum of its proper divisors (43885860).

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

24380940 is a wasteful number, since it uses less digits than its factorization.

24380940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406361 (or 406359 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 24380940 is about 4937.7059450721. The cubic root of 24380940 is about 289.9680503843.

The spelling of 24380940 in words is "twenty-four million, three hundred eighty thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 406349 812698 1219047 1625396 2031745 2438094 4063490 4876188 6095235 8126980 12190470 24380940