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769695054 = 23196751711
BaseRepresentation
bin101101111000001…
…001110101001110
31222122022120010020
4231320021311032
53034020220204
6204213123010
725034204622
oct5570116516
91878276106
10769695054
11365522317
12195929466
13c360217b
147431b182
154788cbd9
hex2de09d4e

769695054 has 16 divisors (see below), whose sum is σ = 1620410880. Its totient is φ = 243061560.

The previous prime is 769695019. The next prime is 769695067. The reversal of 769695054 is 450596967.

It is a super-3 number, since 3×7696950543 (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 769694988 and 769695006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3375742 + ... + 3375969.

It is an arithmetic number, because the mean of its divisors is an integer number (101275680).

Almost surely, 2769695054 is an apocalyptic number.

769695054 is an abundant number, since it is smaller than the sum of its proper divisors (850715826).

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

769695054 is a wasteful number, since it uses less digits than its factorization.

769695054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6751735.

The product of its (nonzero) digits is 2041200, while the sum is 51.

The square root of 769695054 is about 27743.3785613793. The cubic root of 769695054 is about 916.4446324750. Note that the first 3 decimals are identical.

The spelling of 769695054 in words is "seven hundred sixty-nine million, six hundred ninety-five thousand, fifty-four".

Divisors: 1 2 3 6 19 38 57 114 6751711 13503422 20255133 40510266 128282509 256565018 384847527 769695054