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3881348427 = 311383307093
BaseRepresentation
bin1110011101011000…
…1010110101001011
3101000111102221002110
43213112022311023
530422111122202
61441050433403
7165116626425
oct34726126513
911014387073
103881348427
111711a13580
12903a32863
1349b17a498
1428b6a9815
1517ab3926c
hexe758ad4b

3881348427 has 16 divisors (see below), whose sum is σ = 5660356608. Its totient is φ = 2346182880.

The previous prime is 3881348423. The next prime is 3881348437. The reversal of 3881348427 is 7248431883.

It is not a de Polignac number, because 3881348427 - 22 = 3881348423 is a prime.

It is a super-2 number, since 2×38813484272 = 30129731223550748658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3881348423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140908 + ... + 166185.

It is an arithmetic number, because the mean of its divisors is an integer number (353772288).

Almost surely, 23881348427 is an apocalyptic number.

3881348427 is a deficient number, since it is larger than the sum of its proper divisors (1779008181).

3881348427 is a wasteful number, since it uses less digits than its factorization.

3881348427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307490.

The product of its digits is 1032192, while the sum is 48.

The square root of 3881348427 is about 62300.4689147682. The cubic root of 3881348427 is about 1571.5476141463.

The spelling of 3881348427 in words is "three billion, eight hundred eighty-one million, three hundred forty-eight thousand, four hundred twenty-seven".

Divisors: 1 3 11 33 383 1149 4213 12639 307093 921279 3378023 10134069 117616619 352849857 1293782809 3881348427