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245899441 = 1747307759
BaseRepresentation
bin11101010100000…
…10000010110001
3122010200222121201
432222002002301
51000422240231
640222251201
76044052664
oct1652020261
9563628551
10245899441
11116892987
126a426b01
133bc38138
142492d6db
15168c4161
hexea820b1

245899441 has 8 divisors (see below), whose sum is σ = 265904640. Its totient is φ = 226509888.

The previous prime is 245899411. The next prime is 245899453. The reversal of 245899441 is 144998542.

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

It is a cyclic number.

It is not a de Polignac number, because 245899441 - 213 = 245891249 is a prime.

It is a super-2 number, since 2×2458994412 = 120933070168224962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245899391 and 245899400.

It is not an unprimeable number, because it can be changed into a prime (245899411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153081 + ... + 154678.

It is an arithmetic number, because the mean of its divisors is an integer number (33238080).

Almost surely, 2245899441 is an apocalyptic number.

It is an amenable number.

245899441 is a deficient number, since it is larger than the sum of its proper divisors (20005199).

245899441 is a wasteful number, since it uses less digits than its factorization.

245899441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307823.

The product of its digits is 414720, while the sum is 46.

The square root of 245899441 is about 15681.1811098527. The cubic root of 245899441 is about 626.4972665643.

The spelling of 245899441 in words is "two hundred forty-five million, eight hundred ninety-nine thousand, four hundred forty-one".

Divisors: 1 17 47 799 307759 5231903 14464673 245899441