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4642540 = 225733161
BaseRepresentation
bin10001101101011011101100
322201212100221
4101231123230
52142030130
6243301124
754314050
oct21553354
98655327
104642540
112691011
12167a7a4
13c67186
1488bc60
1561a87a
hex46d6ec

4642540 has 24 divisors (see below), whose sum is σ = 11142432. Its totient is φ = 1591680.

The previous prime is 4642537. The next prime is 4642541. The reversal of 4642540 is 452464.

4642540 = T216 + T217 + ... + T335.

It is not an unprimeable number, because it can be changed into a prime (4642541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16441 + ... + 16720.

It is an arithmetic number, because the mean of its divisors is an integer number (464268).

Almost surely, 24642540 is an apocalyptic number.

It is an amenable number.

4642540 is an abundant number, since it is smaller than the sum of its proper divisors (6499892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4642540 is a wasteful number, since it uses less digits than its factorization.

4642540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33177 (or 33175 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4642540 is about 2154.6554248882. The cubic root of 4642540 is about 166.8214473243.

The spelling of 4642540 in words is "four million, six hundred forty-two thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 33161 66322 132644 165805 232127 331610 464254 663220 928508 1160635 2321270 4642540