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10472821 is a prime number
BaseRepresentation
bin100111111100…
…110101110101
3201201002000021
4213330311311
510140112241
61012245141
7155006002
oct47746565
921632007
1010472821
115a03427
1236107b1
132228b48
1415688a9
15dbd0d1
hex9fcd75

10472821 has 2 divisors, whose sum is σ = 10472822. Its totient is φ = 10472820.

The previous prime is 10472783. The next prime is 10472827. The reversal of 10472821 is 12827401.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7535025 + 2937796 = 2745^2 + 1714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10472821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10472827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5236410 + 5236411.

It is an arithmetic number, because the mean of its divisors is an integer number (5236411).

Almost surely, 210472821 is an apocalyptic number.

It is an amenable number.

10472821 is a deficient number, since it is larger than the sum of its proper divisors (1).

10472821 is an equidigital number, since it uses as much as digits as its factorization.

10472821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 10472821 is about 3236.1738210424. The cubic root of 10472821 is about 218.7868557221.

The spelling of 10472821 in words is "ten million, four hundred seventy-two thousand, eight hundred twenty-one".