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5032721 = 53269353
BaseRepresentation
bin10011001100101100010001
3100110200121002
4103030230101
52242021341
6255511345
760530441
oct23145421
910420532
105032721
112928181
121828555
131072955
14950121
1569629b
hex4ccb11

5032721 has 8 divisors (see below), whose sum is σ = 5161320. Its totient is φ = 4905472.

The previous prime is 5032717. The next prime is 5032723. The reversal of 5032721 is 1272305.

It can be written as a sum of positive squares in 4 ways, for example, as 192721 + 4840000 = 439^2 + 2200^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5032721 - 22 = 5032717 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5032693 and 5032702.

It is not an unprimeable number, because it can be changed into a prime (5032723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14081 + ... + 14433.

It is an arithmetic number, because the mean of its divisors is an integer number (645165).

Almost surely, 25032721 is an apocalyptic number.

It is an amenable number.

5032721 is a deficient number, since it is larger than the sum of its proper divisors (128599).

5032721 is a wasteful number, since it uses less digits than its factorization.

5032721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 5032721 is about 2243.3726841521. The cubic root of 5032721 is about 171.3697980731.

The spelling of 5032721 in words is "five million, thirty-two thousand, seven hundred twenty-one".

Divisors: 1 53 269 353 14257 18709 94957 5032721