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245887371 = 32171607107
BaseRepresentation
bin11101010011111…
…11000110001011
3122010200101001200
432221333012023
51000421343441
640222115243
76044002542
oct1651770613
9563611050
10245887371
11116884904
126a41bb23
133bc327b2
1424929159
15168c07b6
hexea7f18b

245887371 has 12 divisors (see below), whose sum is σ = 376063272. Its totient is φ = 154282176.

The previous prime is 245887363. The next prime is 245887403. The reversal of 245887371 is 173788542.

It is not a de Polignac number, because 245887371 - 23 = 245887363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245887351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 803401 + ... + 803706.

It is an arithmetic number, because the mean of its divisors is an integer number (31338606).

Almost surely, 2245887371 is an apocalyptic number.

245887371 is a deficient number, since it is larger than the sum of its proper divisors (130175901).

245887371 is a wasteful number, since it uses less digits than its factorization.

245887371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607130 (or 1607127 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 245887371 is about 15680.7962489154. The cubic root of 245887371 is about 626.4870158351.

The spelling of 245887371 in words is "two hundred forty-five million, eight hundred eighty-seven thousand, three hundred seventy-one".

Divisors: 1 3 9 17 51 153 1607107 4821321 14463963 27320819 81962457 245887371