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99694973 = 714242139
BaseRepresentation
bin1011111000100…
…11100101111101
320221121000210102
411330103211331
5201010214343
613520450445
72320251620
oct574234575
9227530712
1099694973
1151303344
1229479a25
1317867a11
14d351db7
158b443b8
hex5f1397d

99694973 has 4 divisors (see below), whose sum is σ = 113937120. Its totient is φ = 85452828.

The previous prime is 99694967. The next prime is 99694993. The reversal of 99694973 is 37949699.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 99694973 - 28 = 99694717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99694963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7121063 + ... + 7121076.

It is an arithmetic number, because the mean of its divisors is an integer number (28484280).

Almost surely, 299694973 is an apocalyptic number.

It is an amenable number.

99694973 is a deficient number, since it is larger than the sum of its proper divisors (14242147).

99694973 is a wasteful number, since it uses less digits than its factorization.

99694973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14242146.

The product of its digits is 3306744, while the sum is 56.

The square root of 99694973 is about 9984.7370020447. The cubic root of 99694973 is about 463.6864660627.

The spelling of 99694973 in words is "ninety-nine million, six hundred ninety-four thousand, nine hundred seventy-three".

Divisors: 1 7 14242139 99694973