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99954443 is a prime number
BaseRepresentation
bin1011111010100…
…10111100001011
320222002012201102
411331102330023
5201042020233
613530212015
72322412241
oct575227413
9228065642
1099954443
1151470286
122958400b
1317928b54
14d3bc791
158b961e8
hex5f52f0b

99954443 has 2 divisors, whose sum is σ = 99954444. Its totient is φ = 99954442.

The previous prime is 99954431. The next prime is 99954479. The reversal of 99954443 is 34445999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99954443 - 222 = 95760139 is a prime.

It is a Sophie Germain prime.

It is a nialpdrome in base 10.

It is not a weakly prime, because it can be changed into another prime (99954143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49977221 + 49977222.

It is an arithmetic number, because the mean of its divisors is an integer number (49977222).

Almost surely, 299954443 is an apocalyptic number.

99954443 is a deficient number, since it is larger than the sum of its proper divisors (1).

99954443 is an equidigital number, since it uses as much as digits as its factorization.

99954443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 47.

The square root of 99954443 is about 9997.7218905109. The cubic root of 99954443 is about 464.0883870340.

The spelling of 99954443 in words is "ninety-nine million, nine hundred fifty-four thousand, four hundred forty-three".