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769428352 = 27711247151
BaseRepresentation
bin101101110111001…
…000101110000000
31222121211000021101
4231313020232000
53033433201402
6204203304144
725032014230
oct5567105600
91877730241
10769428352
1136535aa00
1219581b054
13c353a964
147428bcc0
1547838b87
hex2ddc8b80

769428352 has 192 divisors, whose sum is σ = 1979550720. Its totient is φ = 291456000.

The previous prime is 769428337. The next prime is 769428353. The reversal of 769428352 is 253824967.

It is a super-2 number, since 2×7694283522 = 1184039977722871808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769428353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5095477 + ... + 5095627.

It is an arithmetic number, because the mean of its divisors is an integer number (10310160).

Almost surely, 2769428352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 769428352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (989775360).

769428352 is an abundant number, since it is smaller than the sum of its proper divisors (1210122368).

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

769428352 is a wasteful number, since it uses less digits than its factorization.

769428352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 218 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The square root of 769428352 is about 27738.5715565889. The cubic root of 769428352 is about 916.3387698346.

It can be divided in two parts, 7694 and 28352, that added together give a triangular number (36046 = T268).

The spelling of 769428352 in words is "seven hundred sixty-nine million, four hundred twenty-eight thousand, three hundred fifty-two".