Search a number
-
+
99169297 = 409324229
BaseRepresentation
bin1011110100100…
…11010000010001
320220121022200221
411322103100101
5200341404142
613501313041
72312632213
oct572232021
9226538627
1099169297
1150a843a7
1229265781
1317712676
14d2565b3
158a8d767
hex5e93411

99169297 has 4 divisors (see below), whose sum is σ = 99197620. Its totient is φ = 99140976.

The previous prime is 99169277. The next prime is 99169319. The reversal of 99169297 is 79296199.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24364096 + 74805201 = 4936^2 + 8649^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-99169297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99169237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8022 + ... + 16207.

It is an arithmetic number, because the mean of its divisors is an integer number (24799405).

Almost surely, 299169297 is an apocalyptic number.

It is an amenable number.

99169297 is a deficient number, since it is larger than the sum of its proper divisors (28323).

99169297 is a wasteful number, since it uses less digits than its factorization.

99169297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28322.

The product of its digits is 551124, while the sum is 52.

The square root of 99169297 is about 9958.3782314190. The cubic root of 99169297 is about 462.8700473563.

The spelling of 99169297 in words is "ninety-nine million, one hundred sixty-nine thousand, two hundred ninety-seven".

Divisors: 1 4093 24229 99169297