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768134556 = 223371016051
BaseRepresentation
bin101101110010001…
…100110110011100
31222112101021112000
4231302030312130
53033120301211
6204115442300
725015015230
oct5562146634
91875337460
10768134556
11364656952
121952b6390
13c31a6ab7
14740325c0
1547680656
hex2dc8cd9c

768134556 has 48 divisors (see below), whose sum is σ = 2275956480. Its totient is φ = 219466800.

The previous prime is 768134537. The next prime is 768134557. The reversal of 768134556 is 655431867.

768134556 is a `hidden beast` number, since 7 + 68 + 1 + 34 + 556 = 666.

It is a super-2 number, since 2×7681345562 = 1180061392242634272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768134557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507270 + ... + 508781.

It is an arithmetic number, because the mean of its divisors is an integer number (47415760).

Almost surely, 2768134556 is an apocalyptic number.

It is an amenable number.

768134556 is an abundant number, since it is smaller than the sum of its proper divisors (1507821924).

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

768134556 is a wasteful number, since it uses less digits than its factorization.

768134556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016071 (or 1016063 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 768134556 is about 27715.2405004900. The cubic root of 768134556 is about 915.8248729229.

The spelling of 768134556 in words is "seven hundred sixty-eight million, one hundred thirty-four thousand, five hundred fifty-six".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 1016051 2032102 3048153 4064204 6096306 7112357 9144459 12192612 14224714 18288918 21337071 27433377 28449428 36577836 42674142 54866754 64011213 85348284 109733508 128022426 192033639 256044852 384067278 768134556