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2575402220 = 225128770111
BaseRepresentation
bin1001100110000001…
…1000010011101100
320122111001222200102
42121200120103230
520233300332340
61103315450232
7120551362166
oct23140302354
96574058612
102575402220
111101824896
125ba5b6978
1332073cb51
141a607b936
15101172215
hex998184ec

2575402220 has 12 divisors (see below), whose sum is σ = 5408344704. Its totient is φ = 1030160880.

The previous prime is 2575402211. The next prime is 2575402231. The reversal of 2575402220 is 222045752.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64385036 + ... + 64385075.

It is an arithmetic number, because the mean of its divisors is an integer number (450695392).

Almost surely, 22575402220 is an apocalyptic number.

2575402220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2575402220 is an abundant number, since it is smaller than the sum of its proper divisors (2832942484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2575402220 is a wasteful number, since it uses less digits than its factorization.

2575402220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128770120 (or 128770118 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 2575402220 is about 50748.4208621313. The cubic root of 2575402220 is about 1370.7187554592.

Adding to 2575402220 its reverse (222045752), we get a palindrome (2797447972).

The spelling of 2575402220 in words is "two billion, five hundred seventy-five million, four hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 128770111 257540222 515080444 643850555 1287701110 2575402220