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2270553149 = 2957767857
BaseRepresentation
bin1000011101010101…
…1110010000111101
312212020110001101002
42013111132100331
514122230200044
61013145500045
7110160245324
oct20725362075
95766401332
102270553149
11a65739207
125344a1625
132a2534b97
141777a50bb
15d450674e
hex8755e43d

2270553149 has 4 divisors (see below), whose sum is σ = 2271323964. Its totient is φ = 2269782336.

The previous prime is 2270553139. The next prime is 2270553191. The reversal of 2270553149 is 9413550722.

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 1389947524 + 880605625 = 37282^2 + 29675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2270553149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2270553139) 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, 380972 + ... + 386885.

It is an arithmetic number, because the mean of its divisors is an integer number (567830991).

Almost surely, 22270553149 is an apocalyptic number.

It is an amenable number.

2270553149 is a deficient number, since it is larger than the sum of its proper divisors (770815).

2270553149 is an equidigital number, since it uses as much as digits as its factorization.

2270553149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770814.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 2270553149 is about 47650.3216043712. The cubic root of 2270553149 is about 1314.3485714081.

The spelling of 2270553149 in words is "two billion, two hundred seventy million, five hundred fifty-three thousand, one hundred forty-nine".

Divisors: 1 2957 767857 2270553149