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769901189 is a prime number
BaseRepresentation
bin101101111000111…
…100001010000101
31222122201000212212
4231320330022011
53034043314224
6204221353205
725036023611
oct5570741205
91878630785
10769901189
11365653182
12195a08805
13c3674c45
1474372341
15478cdd0e
hex2de3c285

769901189 has 2 divisors, whose sum is σ = 769901190. Its totient is φ = 769901188.

The previous prime is 769901177. The next prime is 769901233. The reversal of 769901189 is 981109967.

769901189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 539772289 + 230128900 = 23233^2 + 15170^2 .

It is a cyclic number.

It is not a de Polignac number, because 769901189 - 24 = 769901173 is a prime.

It is a super-2 number, since 2×7699011892 = 1185495681647227442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (769201189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384950594 + 384950595.

It is an arithmetic number, because the mean of its divisors is an integer number (384950595).

Almost surely, 2769901189 is an apocalyptic number.

It is an amenable number.

769901189 is a deficient number, since it is larger than the sum of its proper divisors (1).

769901189 is an equidigital number, since it uses as much as digits as its factorization.

769901189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 50.

The square root of 769901189 is about 27747.0933432675. The cubic root of 769901189 is about 916.5264373628.

The spelling of 769901189 in words is "seven hundred sixty-nine million, nine hundred one thousand, one hundred eighty-nine".