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1125806860 = 22556290343
BaseRepresentation
bin100001100011010…
…0111001100001100
32220110101220200101
41003012213030030
54301201304420
6303413540444
736620125513
oct10306471414
92813356611
101125806860
115285413a2
12275044724
1314c318209
14a973967a
1568c8260a
hex431a730c

1125806860 has 12 divisors (see below), whose sum is σ = 2364194448. Its totient is φ = 450322736.

The previous prime is 1125806833. The next prime is 1125806863. The reversal of 1125806860 is 686085211.

It is not an unprimeable number, because it can be changed into a prime (1125806863) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 28145152 + ... + 28145191.

It is an arithmetic number, because the mean of its divisors is an integer number (197016204).

Almost surely, 21125806860 is an apocalyptic number.

1125806860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125806860 is an abundant number, since it is smaller than the sum of its proper divisors (1238387588).

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

1125806860 is a wasteful number, since it uses less digits than its factorization.

1125806860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56290352 (or 56290350 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 1125806860 is about 33553.0454653523. The cubic root of 1125806860 is about 1040.2904945414.

The spelling of 1125806860 in words is "one billion, one hundred twenty-five million, eight hundred six thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 56290343 112580686 225161372 281451715 562903430 1125806860