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99954487 is a prime number
BaseRepresentation
bin1011111010100…
…10111100110111
320222002012210001
411331102330313
5201042020422
613530212131
72322412333
oct575227467
9228065701
1099954487
1151470316
1229584047
1317928b89
14d3bc7c3
158b96227
hex5f52f37

99954487 has 2 divisors, whose sum is σ = 99954488. Its totient is φ = 99954486.

The previous prime is 99954479. The next prime is 99954499. The reversal of 99954487 is 78445999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99954487 - 23 = 99954479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99954587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49977243 + 49977244.

It is an arithmetic number, because the mean of its divisors is an integer number (49977244).

Almost surely, 299954487 is an apocalyptic number.

99954487 is a deficient number, since it is larger than the sum of its proper divisors (1).

99954487 is an equidigital number, since it uses as much as digits as its factorization.

99954487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 55.

The square root of 99954487 is about 9997.7240910119. The cubic root of 99954487 is about 464.0884551313.

The spelling of 99954487 in words is "ninety-nine million, nine hundred fifty-four thousand, four hundred eighty-seven".