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4285491 = 37229153
BaseRepresentation
bin10000010110010000110011
322001201120220
4100112100303
52044113431
6231504123
751266100
oct20262063
98051526
104285491
112467831
121528043
13b707c2
147d7aa7
15599b96
hex416433

4285491 has 12 divisors (see below), whose sum is σ = 6647112. Its totient is φ = 2448768.

The previous prime is 4285481. The next prime is 4285499. The reversal of 4285491 is 1945824.

It is not a de Polignac number, because 4285491 - 26 = 4285427 is a prime.

It is a super-2 number, since 2×42854912 = 36730866222162, which contains 22 as substring.

It is a d-powerful number, because it can be written as 43 + 222 + 82 + 56 + 47 + 95 + 1 .

It is not an unprimeable number, because it can be changed into a prime (4285499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14430 + ... + 14723.

It is an arithmetic number, because the mean of its divisors is an integer number (553926).

Almost surely, 24285491 is an apocalyptic number.

4285491 is a deficient number, since it is larger than the sum of its proper divisors (2361621).

4285491 is a wasteful number, since it uses less digits than its factorization.

4285491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29170 (or 29163 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 4285491 is about 2070.1427487012. The cubic root of 4285491 is about 162.4302311933.

The spelling of 4285491 in words is "four million, two hundred eighty-five thousand, four hundred ninety-one".

Divisors: 1 3 7 21 49 147 29153 87459 204071 612213 1428497 4285491