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24520085 = 537132541
BaseRepresentation
bin101110110001…
…0010110010101
31201010202020022
41131202112111
522234120320
62233314525
7415263062
oct135422625
951122208
1024520085
1112928337
128265a45
135106935
143383c69
152245325
hex1762595

24520085 has 8 divisors (see below), whose sum is σ = 30219576. Its totient is φ = 19085760.

The previous prime is 24520081. The next prime is 24520087. The reversal of 24520085 is 58002542.

It can be written as a sum of positive squares in 4 ways, for example, as 10329796 + 14190289 = 3214^2 + 3767^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 24520085 - 22 = 24520081 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24520081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66086 + ... + 66455.

It is an arithmetic number, because the mean of its divisors is an integer number (3777447).

Almost surely, 224520085 is an apocalyptic number.

It is an amenable number.

24520085 is a deficient number, since it is larger than the sum of its proper divisors (5699491).

24520085 is a wasteful number, since it uses less digits than its factorization.

24520085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132583.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 24520085 is about 4951.7759440427. The cubic root of 24520085 is about 290.5186319804.

The spelling of 24520085 in words is "twenty-four million, five hundred twenty thousand, eighty-five".

Divisors: 1 5 37 185 132541 662705 4904017 24520085