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3214240321 = 8338725787
BaseRepresentation
bin1011111110010101…
…0110101001000001
322022000011022210211
42333211112221001
523040321142241
61250540154121
7142436410015
oct27745265101
98260138724
103214240321
1113aa39a366
12758538941
133c2bb6466
14226c54545
1513c2b2781
hexbf956a41

3214240321 has 4 divisors (see below), whose sum is σ = 3252966192. Its totient is φ = 3175514452.

The previous prime is 3214240313. The next prime is 3214240331. The reversal of 3214240321 is 1230424123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1230424123 = 2353496701.

It is a cyclic number.

It is not a de Polignac number, because 3214240321 - 23 = 3214240313 is a prime.

It is a super-2 number, since 2×32142403212 = 20662681682284366082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3214240292 and 3214240301.

It is not an unprimeable number, because it can be changed into a prime (3214240331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19362811 + ... + 19362976.

It is an arithmetic number, because the mean of its divisors is an integer number (813241548).

Almost surely, 23214240321 is an apocalyptic number.

It is an amenable number.

3214240321 is a deficient number, since it is larger than the sum of its proper divisors (38725871).

3214240321 is an equidigital number, since it uses as much as digits as its factorization.

3214240321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38725870.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3214240321 is about 56694.2706188200. The cubic root of 3214240321 is about 1475.7952729087.

Adding to 3214240321 its reverse (1230424123), we get a palindrome (4444664444).

The spelling of 3214240321 in words is "three billion, two hundred fourteen million, two hundred forty thousand, three hundred twenty-one".

Divisors: 1 83 38725787 3214240321