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1255942292 = 221128544143
BaseRepresentation
bin100101011011100…
…0010100010010100
310020112021110221012
41022313002202110
510033010123132
6324343111352
743060222223
oct11267024224
93215243835
101255942292
11594a46040
122b0742558
13170280527
14bcb32cba
15753db0b2
hex4adc2894

1255942292 has 12 divisors (see below), whose sum is σ = 2397708096. Its totient is φ = 570882840.

The previous prime is 1255942291. The next prime is 1255942309. The reversal of 1255942292 is 2922495521.

It is a super-3 number, since 3×12559422923 (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255942291) by changing a digit.

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, 14272028 + ... + 14272115.

It is an arithmetic number, because the mean of its divisors is an integer number (199809008).

Almost surely, 21255942292 is an apocalyptic number.

It is an amenable number.

1255942292 is a deficient number, since it is larger than the sum of its proper divisors (1141765804).

1255942292 is a wasteful number, since it uses less digits than its factorization.

1255942292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28544158 (or 28544156 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The square root of 1255942292 is about 35439.2761212754. The cubic root of 1255942292 is about 1078.9216179219.

The spelling of 1255942292 in words is "one billion, two hundred fifty-five million, nine hundred forty-two thousand, two hundred ninety-two".

Divisors: 1 2 4 11 22 44 28544143 57088286 114176572 313985573 627971146 1255942292