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3081808852 = 221734453481
BaseRepresentation
bin1011011110110000…
…1010101111010100
321221202222002222121
42313230022233110
522302420340402
61225445505324
7136240641313
oct26754125724
97852862877
103081808852
111341667671
12720112244
133a1629045
1421342027a
15130853837
hexb7b0abd4

3081808852 has 12 divisors (see below), whose sum is σ = 5424341076. Its totient is φ = 1531997120.

The previous prime is 3081808843. The next prime is 3081808897. The reversal of 3081808852 is 2588081803.

It can be written as a sum of positive squares in 2 ways, for example, as 1841783056 + 1240025796 = 42916^2 + 35214^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3081808799 and 3081808808.

It is a congruent number.

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, 2226049 + ... + 2227432.

It is an arithmetic number, because the mean of its divisors is an integer number (452028423).

Almost surely, 23081808852 is an apocalyptic number.

It is an amenable number.

3081808852 is a deficient number, since it is larger than the sum of its proper divisors (2342532224).

3081808852 is a wasteful number, since it uses less digits than its factorization.

3081808852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4453658 (or 4453656 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 43.

The square root of 3081808852 is about 55514.0419353518. The cubic root of 3081808852 is about 1455.2420411138.

The spelling of 3081808852 in words is "three billion, eighty-one million, eight hundred eight thousand, eight hundred fifty-two".

Divisors: 1 2 4 173 346 692 4453481 8906962 17813924 770452213 1540904426 3081808852