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3449831489 = 13265371653
BaseRepresentation
bin1100110110100000…
…0100000001000001
322220102110121010122
43031220010001001
524031124101424
61330153510025
7151330040516
oct31550040101
98812417118
103449831489
111510381505
12803412315
1342c952610
1424a25d30d
15152cec45e
hexcda04041

3449831489 has 4 divisors (see below), whose sum is σ = 3715203156. Its totient is φ = 3184459824.

The previous prime is 3449831467. The next prime is 3449831491. The reversal of 3449831489 is 9841389443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9841389443 = 29993281557.

It can be written as a sum of positive squares in 2 ways, for example, as 1802851600 + 1646979889 = 42460^2 + 40583^2 .

It is a de Polignac number, because none of the positive numbers 2k-3449831489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3449831489.

It is not an unprimeable number, because it can be changed into a prime (3449831459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132685814 + ... + 132685839.

It is an arithmetic number, because the mean of its divisors is an integer number (928800789).

Almost surely, 23449831489 is an apocalyptic number.

It is an amenable number.

3449831489 is a deficient number, since it is larger than the sum of its proper divisors (265371667).

3449831489 is a wasteful number, since it uses less digits than its factorization.

3449831489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265371666.

The product of its digits is 2985984, while the sum is 53.

The square root of 3449831489 is about 58735.2661439446. The cubic root of 3449831489 is about 1511.0052060136.

The spelling of 3449831489 in words is "three billion, four hundred forty-nine million, eight hundred thirty-one thousand, four hundred eighty-nine".

Divisors: 1 13 265371653 3449831489