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2775808325 = 52196787221
BaseRepresentation
bin1010010101110011…
…0111100101000101
321011110011200011202
42211130313211011
521141101331300
61135235112245
7125533660433
oct24534674505
97143150152
102775808325
1111a4964974
12655742685
13353109c44
141c4927d53
15113a5bad5
hexa5737945

2775808325 has 24 divisors (see below), whose sum is σ = 3677279520. Its totient is φ = 2072347200.

The previous prime is 2775808309. The next prime is 2775808327. The reversal of 2775808325 is 5238085772.

It is a happy number.

It is not a de Polignac number, because 2775808325 - 24 = 2775808309 is a prime.

It is a super-2 number, since 2×27758083252 = 15410223714278611250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2775808325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2775808327) 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 23 ways as a sum of consecutive naturals, for example, 11786 + ... + 75435.

It is an arithmetic number, because the mean of its divisors is an integer number (153219980).

Almost surely, 22775808325 is an apocalyptic number.

2775808325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2775808325 is a deficient number, since it is larger than the sum of its proper divisors (901471195).

2775808325 is a wasteful number, since it uses less digits than its factorization.

2775808325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87317 (or 87312 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 47.

The square root of 2775808325 is about 52685.9404870028. The cubic root of 2775808325 is about 1405.3888101292.

The spelling of 2775808325 in words is "two billion, seven hundred seventy-five million, eight hundred eight thousand, three hundred twenty-five".

Divisors: 1 5 19 25 67 95 335 475 1273 1675 6365 31825 87221 436105 1657199 2180525 5843807 8285995 29219035 41429975 111032333 146095175 555161665 2775808325