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99303949 = 2319512213
BaseRepresentation
bin1011110101101…
…00001000001101
320220212011102001
411322310020031
5200410211244
613504232301
72314032613
oct572641015
9226764361
1099303949
1151066588
122930b691
131775ba44
14d28d6b3
158ab85d4
hex5eb420d

99303949 has 8 divisors (see below), whose sum is σ = 103721472. Its totient is φ = 94894800.

The previous prime is 99303923. The next prime is 99303959. The reversal of 99303949 is 94930399.

99303949 = T8135 + T8136 + T8137.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99303949 - 29 = 99303437 is a prime.

It is a super-2 number, since 2×993039492 = 19722548573989202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99303899 and 99303908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99303959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43767 + ... + 45979.

It is an arithmetic number, because the mean of its divisors is an integer number (12965184).

Almost surely, 299303949 is an apocalyptic number.

99303949 is the 8137-th centered triangular number.

It is an amenable number.

99303949 is a deficient number, since it is larger than the sum of its proper divisors (4417523).

99303949 is a wasteful number, since it uses less digits than its factorization.

99303949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4187.

The product of its (nonzero) digits is 236196, while the sum is 46.

The square root of 99303949 is about 9965.1366774370. The cubic root of 99303949 is about 463.0794474827.

The spelling of 99303949 in words is "ninety-nine million, three hundred three thousand, nine hundred forty-nine".

Divisors: 1 23 1951 2213 44873 50899 4317563 99303949