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4947732 = 2232137437
BaseRepresentation
bin10010110111111100010100
3100022101000100
4102313330110
52231311412
6254014100
760024606
oct22677424
910271010
104947732
11287a339
1217a7330
13104306a
1492b176
1567aedc
hex4b7f14

4947732 has 18 divisors (see below), whose sum is σ = 12506858. Its totient is φ = 1649232.

The previous prime is 4947727. The next prime is 4947743. The reversal of 4947732 is 2377494.

It can be written as a sum of positive squares in only one way, i.e., 4822416 + 125316 = 2196^2 + 354^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 137437 = 4947732 / (4 + 9 + 4 + 7 + 7 + 3 + 2).

It is a d-powerful number, because it can be written as 4 + 9 + 43 + 75 + 75 + 314 + 217 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 68683 + ... + 68754.

Almost surely, 24947732 is an apocalyptic number.

It is an amenable number.

4947732 is an abundant number, since it is smaller than the sum of its proper divisors (7559126).

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

4947732 is a wasteful number, since it uses less digits than its factorization.

4947732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137447 (or 137442 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 4947732 is about 2224.3497926360. The cubic root of 4947732 is about 170.3996594584.

The spelling of 4947732 in words is "four million, nine hundred forty-seven thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 137437 274874 412311 549748 824622 1236933 1649244 2473866 4947732