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99848381 is a prime number
BaseRepresentation
bin1011111001110…
…01000010111101
320221212211020012
411330321002331
5201030122011
613524033005
72321461103
oct574710275
9227784205
1099848381
11513a8626
1229532765
13178bc7a9
14d391c73
158b74a8b
hex5f390bd

99848381 has 2 divisors, whose sum is σ = 99848382. Its totient is φ = 99848380.

The previous prime is 99848369. The next prime is 99848383. The reversal of 99848381 is 18384899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51768025 + 48080356 = 7195^2 + 6934^2 .

It is a cyclic number.

It is not a de Polignac number, because 99848381 - 210 = 99847357 is a prime.

It is a super-2 number, since 2×998483812 = 19939398376642322, which contains 22 as substring.

Together with 99848383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99848383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49924190 + 49924191.

It is an arithmetic number, because the mean of its divisors is an integer number (49924191).

Almost surely, 299848381 is an apocalyptic number.

It is an amenable number.

99848381 is a deficient number, since it is larger than the sum of its proper divisors (1).

99848381 is an equidigital number, since it uses as much as digits as its factorization.

99848381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 50.

The square root of 99848381 is about 9992.4161742794. The cubic root of 99848381 is about 463.9241803507.

The spelling of 99848381 in words is "ninety-nine million, eight hundred forty-eight thousand, three hundred eighty-one".