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1268433692 = 221973972357
BaseRepresentation
bin100101110011010…
…1100001100011100
310021101210002220122
41023212230030130
510044204334232
6325510534112
743301336261
oct11346541434
93241702818
101268433692
115a0aa8009
122b4967338
13172a350a6
14c0665268
1576557312
hex4b9ac31c

1268433692 has 48 divisors (see below), whose sum is σ = 2394030240. Its totient is φ = 586248192.

The previous prime is 1268433679. The next prime is 1268433721. The reversal of 1268433692 is 2963348621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536978 + ... + 539334.

It is an arithmetic number, because the mean of its divisors is an integer number (49875630).

Almost surely, 21268433692 is an apocalyptic number.

It is an amenable number.

1268433692 is a deficient number, since it is larger than the sum of its proper divisors (1125596548).

1268433692 is a wasteful number, since it uses less digits than its factorization.

1268433692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550 (or 2548 counting only the distinct ones).

The product of its digits is 373248, while the sum is 44.

The square root of 1268433692 is about 35615.0767512861. The cubic root of 1268433692 is about 1082.4867514517.

The spelling of 1268433692 in words is "one billion, two hundred sixty-eight million, four hundred thirty-three thousand, six hundred ninety-two".

Divisors: 1 2 4 19 38 73 76 97 146 194 292 388 1387 1843 2357 2774 3686 4714 5548 7081 7372 9428 14162 28324 44783 89566 134539 172061 179132 228629 269078 344122 457258 538156 688244 914516 3269159 4343951 6538318 8687902 13076636 16689917 17375804 33379834 66759668 317108423 634216846 1268433692