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285092941 = 7172395739
BaseRepresentation
bin10000111111100…
…010110001001101
3201212110012222211
4100333202301031
51040440433231
644142310421
710031151520
oct2077426115
9655405884
10285092941
11136a22601
127b588411
13470ab863
1429c12bb7
151a066eb1
hex10fe2c4d

285092941 has 8 divisors (see below), whose sum is σ = 344986560. Its totient is φ = 229990848.

The previous prime is 285092933. The next prime is 285092947. The reversal of 285092941 is 149290582.

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 285092941 - 23 = 285092933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 285092894 and 285092903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285092947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197751 + ... + 1197988.

It is an arithmetic number, because the mean of its divisors is an integer number (43123320).

Almost surely, 2285092941 is an apocalyptic number.

It is an amenable number.

285092941 is a deficient number, since it is larger than the sum of its proper divisors (59893619).

285092941 is a wasteful number, since it uses less digits than its factorization.

285092941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395763.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 285092941 is about 16884.6954666053. The cubic root of 285092941 is about 658.1559644519.

The spelling of 285092941 in words is "two hundred eighty-five million, ninety-two thousand, nine hundred forty-one".

Divisors: 1 7 17 119 2395739 16770173 40727563 285092941