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2543020190 = 25254302019
BaseRepresentation
bin1001011110010011…
…0110100010011110
320120020010210212222
42113210312202132
520202003121230
61100201425342
7120006213014
oct22744664236
96506123788
102543020190
111095517787
125ab79b252
13316b12899
141a1a4c8b4
15ed3c76e5
hex9793689e

2543020190 has 8 divisors (see below), whose sum is σ = 4577436360. Its totient is φ = 1017208072.

The previous prime is 2543020177. The next prime is 2543020199. The reversal of 2543020190 is 910203452.

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

It is a super-2 number, since 2×25430201902 = 12933903373495272200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543020199) 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, 127151000 + ... + 127151019.

It is an arithmetic number, because the mean of its divisors is an integer number (572179545).

Almost surely, 22543020190 is an apocalyptic number.

2543020190 is a deficient number, since it is larger than the sum of its proper divisors (2034416170).

2543020190 is a wasteful number, since it uses less digits than its factorization.

2543020190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254302026.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2543020190 is about 50428.3669178370. The cubic root of 2543020190 is about 1364.9495596044.

The spelling of 2543020190 in words is "two billion, five hundred forty-three million, twenty thousand, one hundred ninety".

Divisors: 1 2 5 10 254302019 508604038 1271510095 2543020190