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3440231427 = 31146743809
BaseRepresentation
bin1100110100001101…
…1100010000000011
322212202101212022210
43031003130100003
524021144401202
61325212033203
7151152325143
oct31503342003
98782355283
103440231427
111505a14876
12800162803
1342a970ac9
14248c80923
15152052c6c
hexcd0dc403

3440231427 has 4 divisors (see below), whose sum is σ = 4586975240. Its totient is φ = 2293487616.

The previous prime is 3440231387. The next prime is 3440231429. The reversal of 3440231427 is 7241320443.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3440231427 - 210 = 3440230403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3440231394 and 3440231403.

It is not an unprimeable number, because it can be changed into a prime (3440231429) 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, 573371902 + ... + 573371907.

It is an arithmetic number, because the mean of its divisors is an integer number (1146743810).

Almost surely, 23440231427 is an apocalyptic number.

3440231427 is a deficient number, since it is larger than the sum of its proper divisors (1146743813).

3440231427 is a wasteful number, since it uses less digits than its factorization.

3440231427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146743812.

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 3440231427 is about 58653.4860600800. The cubic root of 3440231427 is about 1509.6023143175.

The spelling of 3440231427 in words is "three billion, four hundred forty million, two hundred thirty-one thousand, four hundred twenty-seven".

Divisors: 1 3 1146743809 3440231427