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4640542 = 28112861
BaseRepresentation
bin10001101100111100011110
322201202121221
4101230330132
52141444132
6243243554
754305164
oct21547436
98652557
104640542
11268a565
1216795ba
13c662aa
1488b234
15619e97
hex46cf1e

4640542 has 8 divisors (see below), whose sum is σ = 6971832. Its totient is φ = 2316600.

The previous prime is 4640501. The next prime is 4640543. The reversal of 4640542 is 2450464.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640543) 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 3 ways as a sum of consecutive naturals, for example, 192 + ... + 3052.

It is an arithmetic number, because the mean of its divisors is an integer number (871479).

Almost surely, 24640542 is an apocalyptic number.

4640542 is a deficient number, since it is larger than the sum of its proper divisors (2331290).

4640542 is a wasteful number, since it uses less digits than its factorization.

4640542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674.

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

The square root of 4640542 is about 2154.1917277717. The cubic root of 4640542 is about 166.7975123607.

The spelling of 4640542 in words is "four million, six hundred forty thousand, five hundred forty-two".

Divisors: 1 2 811 1622 2861 5722 2320271 4640542