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10020487 is a prime number
BaseRepresentation
bin100110001110…
…011010000111
3200212002112011
4212032122013
510031123422
6554435051
7151113151
oct46163207
920762464
1010020487
1157245a4
123432a87
1320caca9
14148bad1
15d2e077
hex98e687

10020487 has 2 divisors, whose sum is σ = 10020488. Its totient is φ = 10020486.

The previous prime is 10020469. The next prime is 10020499. The reversal of 10020487 is 78402001.

10020487 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10020487 - 223 = 1631879 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10020407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010243 + 5010244.

It is an arithmetic number, because the mean of its divisors is an integer number (5010244).

Almost surely, 210020487 is an apocalyptic number.

10020487 is a deficient number, since it is larger than the sum of its proper divisors (1).

10020487 is an equidigital number, since it uses as much as digits as its factorization.

10020487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 10020487 is about 3165.5152819091. The cubic root of 10020487 is about 215.5904949898.

Adding to 10020487 its reverse (78402001), we get a palindrome (88422488).

The spelling of 10020487 in words is "ten million, twenty thousand, four hundred eighty-seven".