Search a number
-
+
769299128 = 23137397107
BaseRepresentation
bin101101110110101…
…001001010111000
31222121120110000022
4231312221022320
53033420033003
6204200430012
725030635413
oct5566511270
91877513008
10769299128
11365281904
12195778308
13c34c3bb0
1474256b7a
1547810738
hex2dda92b8

769299128 has 16 divisors (see below), whose sum is σ = 1553392680. Its totient is φ = 355061088.

The previous prime is 769299119. The next prime is 769299133. The reversal of 769299128 is 821992967.

It is a super-2 number, since 2×7692991282 = 1183642296683120768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 769299128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3698450 + ... + 3698657.

Almost surely, 2769299128 is an apocalyptic number.

It is an amenable number.

769299128 is an abundant number, since it is smaller than the sum of its proper divisors (784093552).

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

769299128 is a wasteful number, since it uses less digits than its factorization.

769299128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7397126 (or 7397122 counting only the distinct ones).

The product of its digits is 979776, while the sum is 53.

The square root of 769299128 is about 27736.2421391219. The cubic root of 769299128 is about 916.2874678558.

The spelling of 769299128 in words is "seven hundred sixty-nine million, two hundred ninety-nine thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 13 26 52 104 7397107 14794214 29588428 59176856 96162391 192324782 384649564 769299128