Search a number
-
+
99696971 = 1119477019
BaseRepresentation
bin1011111000101…
…00000101001011
320221121010112102
411330110011023
5201010300341
613520504015
72320260503
oct574240513
9227533472
1099696971
11513048a0
122947b00b
13178688ba
14d352a03
158b44c9b
hex5f1414b

99696971 has 8 divisors (see below), whose sum is σ = 114484800. Its totient is φ = 85863240.

The previous prime is 99696967. The next prime is 99697001. The reversal of 99696971 is 17969699.

It is a happy number.

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 99696971 - 22 = 99696967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99696901) 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, 238301 + ... + 238718.

It is an arithmetic number, because the mean of its divisors is an integer number (14310600).

Almost surely, 299696971 is an apocalyptic number.

99696971 is a deficient number, since it is larger than the sum of its proper divisors (14787829).

99696971 is a wasteful number, since it uses less digits than its factorization.

99696971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477049.

The product of its digits is 1653372, while the sum is 56.

The square root of 99696971 is about 9984.8370542538. The cubic root of 99696971 is about 463.6895636424.

The spelling of 99696971 in words is "ninety-nine million, six hundred ninety-six thousand, nine hundred seventy-one".

Divisors: 1 11 19 209 477019 5247209 9063361 99696971