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1396993612 = 22797514357
BaseRepresentation
bin101001101000100…
…0110111001001100
310121100200121222011
41103101012321030
510330112243422
6350342231004
746422151450
oct12321067114
93540617864
101396993612
11657625a83
1232ba25464
13193568251
14d376c660
158299e077
hex53446e4c

1396993612 has 24 divisors (see below), whose sum is σ = 2822796704. Its totient is φ = 592538112.

The previous prime is 1396993583. The next prime is 1396993613. The reversal of 1396993612 is 2163996931.

It is not an unprimeable number, because it can be changed into a prime (1396993613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254463 + ... + 259894.

Almost surely, 21396993612 is an apocalyptic number.

It is an amenable number.

1396993612 is an abundant number, since it is smaller than the sum of its proper divisors (1425803092).

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

1396993612 is a wasteful number, since it uses less digits than its factorization.

1396993612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514465 (or 514463 counting only the distinct ones).

The product of its digits is 472392, while the sum is 49.

The square root of 1396993612 is about 37376.3777271153. The cubic root of 1396993612 is about 1117.8876032010.

The spelling of 1396993612 in words is "one billion, three hundred ninety-six million, nine hundred ninety-three thousand, six hundred twelve".

Divisors: 1 2 4 7 14 28 97 194 388 679 1358 2716 514357 1028714 2057428 3600499 7200998 14401996 49892629 99785258 199570516 349248403 698496806 1396993612