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3420304231 = 24967136993
BaseRepresentation
bin1100101111011101…
…1011001101100111
322211100220110100111
43023313123031213
524001044213411
61323220553451
7150521051311
oct31367331547
98740813314
103420304231
1114a5744213
127b5552887
134267b4876
142463747b1
15150418721
hexcbddb367

3420304231 has 4 divisors (see below), whose sum is σ = 3420466192. Its totient is φ = 3420142272.

The previous prime is 3420304219. The next prime is 3420304243. The reversal of 3420304231 is 1324030243.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (3420304219) and next prime (3420304243).

It is a cyclic number.

It is not a de Polignac number, because 3420304231 - 225 = 3386749799 is a prime.

It is a super-2 number, since 2×34203042312 = 23396962065193002722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420304271) 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, 43530 + ... + 93463.

It is an arithmetic number, because the mean of its divisors is an integer number (855116548).

Almost surely, 23420304231 is an apocalyptic number.

3420304231 is a deficient number, since it is larger than the sum of its proper divisors (161961).

3420304231 is a wasteful number, since it uses less digits than its factorization.

3420304231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161960.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 3420304231 is about 58483.3671311767. The cubic root of 3420304231 is about 1506.6819282843.

Adding to 3420304231 its reverse (1324030243), we get a palindrome (4744334474).

The spelling of 3420304231 in words is "three billion, four hundred twenty million, three hundred four thousand, two hundred thirty-one".

Divisors: 1 24967 136993 3420304231