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2905897452 = 223242158121
BaseRepresentation
bin1010110100110100…
…0111100111101100
321111111221212220120
42231031013213230
521422402204302
61200203244540
7132003502143
oct25515074754
97444855816
102905897452
111261337847
12691219750
13374057163
141d7d0c75a
151201a69bc
hexad3479ec

2905897452 has 12 divisors (see below), whose sum is σ = 6780427416. Its totient is φ = 968632480.

The previous prime is 2905897433. The next prime is 2905897483. The reversal of 2905897452 is 2547985092.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2905897395 and 2905897404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121079049 + ... + 121079072.

It is an arithmetic number, because the mean of its divisors is an integer number (565035618).

Almost surely, 22905897452 is an apocalyptic number.

It is an amenable number.

2905897452 is an abundant number, since it is smaller than the sum of its proper divisors (3874529964).

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

2905897452 is a wasteful number, since it uses less digits than its factorization.

2905897452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242158128 (or 242158126 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 2905897452 is about 53906.3767285467. The cubic root of 2905897452 is about 1427.0091616893.

The spelling of 2905897452 in words is "two billion, nine hundred five million, eight hundred ninety-seven thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 242158121 484316242 726474363 968632484 1452948726 2905897452