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1354144656 = 243171659491
BaseRepresentation
bin101000010110110…
…1001101110010000
310111101001200020210
41100231221232100
510233130112111
6342212004120
745362016414
oct12055515620
93441050223
101354144656
11635419a17
12319600640
13187714a37
14cbbb6d44
157dd380a6
hex50b69b90

1354144656 has 40 divisors (see below), whose sum is σ = 3703986144. Its totient is φ = 424829440.

The previous prime is 1354144637. The next prime is 1354144661. The reversal of 1354144656 is 6564414531.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 828930 + ... + 830561.

Almost surely, 21354144656 is an apocalyptic number.

1354144656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1354144656 is an abundant number, since it is smaller than the sum of its proper divisors (2349841488).

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

1354144656 is a wasteful number, since it uses less digits than its factorization.

1354144656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659519 (or 1659513 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 1354144656 is about 36798.7045424156. The cubic root of 1354144656 is about 1106.3393343287.

The spelling of 1354144656 in words is "one billion, three hundred fifty-four million, one hundred forty-four thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 272 408 816 1659491 3318982 4978473 6637964 9956946 13275928 19913892 26551856 28211347 39827784 56422694 79655568 84634041 112845388 169268082 225690776 338536164 451381552 677072328 1354144656