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2972198 = 22364613
BaseRepresentation
bin1011010101101000100110
312121000002102
423111220212
51230102243
6143412102
734156205
oct13255046
95530072
102972198
111750069
12bb4032
13800ac8
1457523c
153da9b8
hex2d5a26

2972198 has 8 divisors (see below), whose sum is σ = 4652208. Its totient is φ = 1421464.

The previous prime is 2972197. The next prime is 2972219. The reversal of 2972198 is 8912792.

2972198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2972197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32261 + ... + 32352.

It is an arithmetic number, because the mean of its divisors is an integer number (581526).

22972198 is an apocalyptic number.

2972198 is a deficient number, since it is larger than the sum of its proper divisors (1680010).

2972198 is a wasteful number, since it uses less digits than its factorization.

2972198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64638.

The product of its digits is 18144, while the sum is 38.

The square root of 2972198 is about 1724.0063804986. The cubic root of 2972198 is about 143.7780467014.

It can be divided in two parts, 29 and 72198, that added together give a palindrome (72227).

The spelling of 2972198 in words is "two million, nine hundred seventy-two thousand, one hundred ninety-eight".

Divisors: 1 2 23 46 64613 129226 1486099 2972198