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1108557025 = 5266592
BaseRepresentation
bin100001000010011…
…0011110011100001
32212020221112100121
41002010303303201
54232242311100
6302000120241
736320402452
oct10204636341
92766845317
101108557025
1151982a334
1226b306081
13148888804
14a7329129
15674c651a
hex42133ce1

1108557025 has 9 divisors (see below), whose sum is σ = 1374817171. Its totient is φ = 886712440.

The previous prime is 1108557001. The next prime is 1108557041. The reversal of 1108557025 is 5207558011.

The square root of 1108557025 is 33295.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 399080529 + 709476496 = 19977^2 + 26636^2 .

It is not a de Polignac number, because 1108557025 - 29 = 1108556513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 163146 + ... + 169804.

Almost surely, 21108557025 is an apocalyptic number.

1108557025 is the 33295-th square number.

1108557025 is the 16648-th centered octagonal number.

It is an amenable number.

1108557025 is a deficient number, since it is larger than the sum of its proper divisors (266260146).

1108557025 is an frugal number, since it uses more digits than its factorization.

1108557025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13328 (or 6664 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 34.

The cubic root of 1108557025 is about 1034.9499458473.

The spelling of 1108557025 in words is "one billion, one hundred eight million, five hundred fifty-seven thousand, twenty-five".

Divisors: 1 5 25 6659 33295 166475 44342281 221711405 1108557025