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4512940 = 225474801
BaseRepresentation
bin10001001101110010101100
322111021120221
4101031302230
52123403230
6240421124
753234155
oct21156254
98437527
104512940
112602703
1216177a4
13c201a3
1485692c
155e227a
hex44dcac

4512940 has 24 divisors (see below), whose sum is σ = 9680832. Its totient is φ = 1766400.

The previous prime is 4512931. The next prime is 4512941. The reversal of 4512940 is 492154.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4512941) 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 7 ways as a sum of consecutive naturals, for example, 1461 + ... + 3340.

It is an arithmetic number, because the mean of its divisors is an integer number (403368).

Almost surely, 24512940 is an apocalyptic number.

It is an amenable number.

4512940 is an abundant number, since it is smaller than the sum of its proper divisors (5167892).

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

4512940 is a wasteful number, since it uses less digits than its factorization.

4512940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4857 (or 4855 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 4512940 is about 2124.3681413540. The cubic root of 4512940 is about 165.2544589238.

The spelling of 4512940 in words is "four million, five hundred twelve thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 4801 9602 19204 24005 48010 96020 225647 451294 902588 1128235 2256470 4512940