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4520131 = 711471249
BaseRepresentation
bin10001001111100011000011
322111122110021
4101033203003
52124121011
6240514311
753264140
oct21174303
98448407
104520131
112608050
12161b997
13c23545
148593c7
155e4471
hex44f8c3

4520131 has 16 divisors (see below), whose sum is σ = 5760000. Its totient is φ = 3444480.

The previous prime is 4520129. The next prime is 4520137. The reversal of 4520131 is 1310254.

It is a cyclic number.

It is not a de Polignac number, because 4520131 - 21 = 4520129 is a prime.

It is a super-2 number, since 2×45201312 = 40863168514322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4520137) 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 15 ways as a sum of consecutive naturals, for example, 2995 + ... + 4243.

It is an arithmetic number, because the mean of its divisors is an integer number (360000).

Almost surely, 24520131 is an apocalyptic number.

4520131 is a deficient number, since it is larger than the sum of its proper divisors (1239869).

4520131 is a wasteful number, since it uses less digits than its factorization.

4520131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 4520131 is about 2126.0599709321. The cubic root of 4520131 is about 165.3421854905.

Adding to 4520131 its reverse (1310254), we get a palindrome (5830385).

The spelling of 4520131 in words is "four million, five hundred twenty thousand, one hundred thirty-one".

Divisors: 1 7 11 47 77 329 517 1249 3619 8743 13739 58703 96173 410921 645733 4520131