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245475386 = 2139441361
BaseRepresentation
bin11101010000110…
…10100000111010
3122002220102220222
432220122200322
51000320203021
640205220042
76040335452
oct1650324072
9562812828
10245475386
11116623322
126a261622
133bb1a110
142485cd62
151683d6ab
hexea1a83a

245475386 has 8 divisors (see below), whose sum is σ = 396537204. Its totient is φ = 113296320.

The previous prime is 245475371. The next prime is 245475397. The reversal of 245475386 is 683574542.

It can be written as a sum of positive squares in 2 ways, for example, as 219780625 + 25694761 = 14825^2 + 5069^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4720655 + ... + 4720706.

Almost surely, 2245475386 is an apocalyptic number.

245475386 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

245475386 is a deficient number, since it is larger than the sum of its proper divisors (151061818).

245475386 is a wasteful number, since it uses less digits than its factorization.

245475386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9441376.

The product of its digits is 806400, while the sum is 44.

The square root of 245475386 is about 15667.6541320007. The cubic root of 245475386 is about 626.1369266358.

The spelling of 245475386 in words is "two hundred forty-five million, four hundred seventy-five thousand, three hundred eighty-six".

Divisors: 1 2 13 26 9441361 18882722 122737693 245475386