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99197051 = 671480553
BaseRepresentation
bin1011110100110…
…10000001111011
320220122201202212
411322122001323
5200343301201
613502045335
72313106142
oct572320173
9226581685
1099197051
1150aa3238
122927984b
13177221a5
14d262759
158a96abb
hex5e9a07b

99197051 has 4 divisors (see below), whose sum is σ = 100677672. Its totient is φ = 97716432.

The previous prime is 99197047. The next prime is 99197053. The reversal of 99197051 is 15079199.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 99197051 - 22 = 99197047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99197053) 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, 740210 + ... + 740343.

It is an arithmetic number, because the mean of its divisors is an integer number (25169418).

Almost surely, 299197051 is an apocalyptic number.

99197051 is a deficient number, since it is larger than the sum of its proper divisors (1480621).

99197051 is a wasteful number, since it uses less digits than its factorization.

99197051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480620.

The product of its (nonzero) digits is 25515, while the sum is 41.

The square root of 99197051 is about 9959.7716339282. The cubic root of 99197051 is about 462.9132236802.

The spelling of 99197051 in words is "ninety-nine million, one hundred ninety-seven thousand, fifty-one".

Divisors: 1 67 1480553 99197051