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24380740 = 2259371301
BaseRepresentation
bin101110100000…
…0010101000100
31200212200002101
41131000111010
522220140430
62230321444
7414142606
oct135002504
950780071
1024380740
111284267a
1281b9284
135088397
143349176
152218dca
hex1740544

24380740 has 24 divisors (see below), whose sum is σ = 51293592. Its totient is φ = 9734400.

The previous prime is 24380723. The next prime is 24380753. The reversal of 24380740 is 4708342.

It can be written as a sum of positive squares in 4 ways, for example, as 2534464 + 21846276 = 1592^2 + 4674^2 .

It is a junction number, because it is equal to n+sod(n) for n = 24380699 and 24380708.

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, 18090 + ... + 19390.

It is an arithmetic number, because the mean of its divisors is an integer number (2137233).

Almost surely, 224380740 is an apocalyptic number.

24380740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24380740 is an abundant number, since it is smaller than the sum of its proper divisors (26912852).

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

24380740 is a wasteful number, since it uses less digits than its factorization.

24380740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247 (or 2245 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 24380740 is about 4937.6856927107. The cubic root of 24380740 is about 289.9672575003.

The spelling of 24380740 in words is "twenty-four million, three hundred eighty thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 937 1301 1874 2602 3748 4685 5204 6505 9370 13010 18740 26020 1219037 2438074 4876148 6095185 12190370 24380740