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99988633 is a prime number
BaseRepresentation
bin1011111010110…
…11010010011001
320222010221121201
411331123102121
5201044114013
613531034201
72322614023
oct575332231
9228127551
1099988633
1151493a38
122959b961
131793b594
14d3cb013
158ba13dd
hex5f5b499

99988633 has 2 divisors, whose sum is σ = 99988634. Its totient is φ = 99988632.

The previous prime is 99988619. The next prime is 99988649. The reversal of 99988633 is 33688999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79085449 + 20903184 = 8893^2 + 4572^2 .

It is an emirp because it is prime and its reverse (33688999) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-99988633 is a prime.

It is a nialpdrome in base 10.

It is not a weakly prime, because it can be changed into another prime (99983633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49994316 + 49994317.

It is an arithmetic number, because the mean of its divisors is an integer number (49994317).

Almost surely, 299988633 is an apocalyptic number.

It is an amenable number.

99988633 is a deficient number, since it is larger than the sum of its proper divisors (1).

99988633 is an equidigital number, since it uses as much as digits as its factorization.

99988633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2519424, while the sum is 55.

The square root of 99988633 is about 9999.4316338480. The cubic root of 99988633 is about 464.1412957148.

The spelling of 99988633 in words is "ninety-nine million, nine hundred eighty-eight thousand, six hundred thirty-three".