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1255212008 = 23233673397
BaseRepresentation
bin100101011010001…
…0000001111101000
310020110220101011122
41022310100033220
510032313241013
6324315314412
743051061141
oct11264201750
93213811148
101255212008
115945973a6
122b044ba08
13170085ccb
14bc9c2ac8
15752e4a08
hex4ad103e8

1255212008 has 16 divisors (see below), whose sum is σ = 2363626980. Its totient is φ = 624911488.

The previous prime is 1255211999. The next prime is 1255212059. The reversal of 1255212008 is 8002125521.

It can be written as a sum of positive squares in 2 ways, for example, as 1013658244 + 241553764 = 31838^2 + 15542^2 .

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, 334835 + ... + 338562.

Almost surely, 21255212008 is an apocalyptic number.

It is an amenable number.

1255212008 is a deficient number, since it is larger than the sum of its proper divisors (1108414972).

1255212008 is a wasteful number, since it uses less digits than its factorization.

1255212008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673636 (or 673632 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 1255212008 is about 35428.9713088032. The cubic root of 1255212008 is about 1078.7124597028.

Adding to 1255212008 its reverse (8002125521), we get a palindrome (9257337529).

The spelling of 1255212008 in words is "one billion, two hundred fifty-five million, two hundred twelve thousand, eight".

Divisors: 1 2 4 8 233 466 932 1864 673397 1346794 2693588 5387176 156901501 313803002 627606004 1255212008