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3144032421 = 31048010807
BaseRepresentation
bin1011101101100110…
…0010000010100101
322010010001101200020
42323121202002211
522414333014141
61235551305353
7140624556165
oct27331420245
98103041606
103144032421
1113737a7102
12738b1b259
133b14a411a
1421b7ba5a5
15136045266
hexbb6620a5

3144032421 has 4 divisors (see below), whose sum is σ = 4192043232. Its totient is φ = 2096021612.

The previous prime is 3144032407. The next prime is 3144032443. The reversal of 3144032421 is 1242304413.

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.

It is a cyclic number.

It is not a de Polignac number, because 3144032421 - 29 = 3144031909 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3144032391 and 3144032400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144032491) 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, 524005401 + ... + 524005406.

It is an arithmetic number, because the mean of its divisors is an integer number (1048010808).

Almost surely, 23144032421 is an apocalyptic number.

It is an amenable number.

3144032421 is a deficient number, since it is larger than the sum of its proper divisors (1048010811).

3144032421 is a wasteful number, since it uses less digits than its factorization.

3144032421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048010810.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 3144032421 is about 56071.6721794526. The cubic root of 3144032421 is about 1464.9709244968.

Adding to 3144032421 its reverse (1242304413), we get a palindrome (4386336834).

The spelling of 3144032421 in words is "three billion, one hundred forty-four million, thirty-two thousand, four hundred twenty-one".

Divisors: 1 3 1048010807 3144032421