Search a number
-
+
3214432145 = 5642886429
BaseRepresentation
bin1011111110011000…
…0101011110010001
322022000112001221102
42333212011132101
523040343312040
61250544234145
7142441136201
oct27746053621
98260461842
103214432145
1113aa5104a1
1275860b955
133c2c52872
14226ca4401
1513c2ee515
hexbf985791

3214432145 has 4 divisors (see below), whose sum is σ = 3857318580. Its totient is φ = 2571545712.

The previous prime is 3214432121. The next prime is 3214432189. The reversal of 3214432145 is 5412344123.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2561169664 + 653262481 = 50608^2 + 25559^2 .

It is a cyclic number.

It is not a de Polignac number, because 3214432145 - 28 = 3214431889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321443210 + ... + 321443219.

It is an arithmetic number, because the mean of its divisors is an integer number (964329645).

Almost surely, 23214432145 is an apocalyptic number.

It is an amenable number.

3214432145 is a deficient number, since it is larger than the sum of its proper divisors (642886435).

3214432145 is an equidigital number, since it uses as much as digits as its factorization.

3214432145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642886434.

The product of its digits is 11520, while the sum is 29.

The square root of 3214432145 is about 56695.9623341910. The cubic root of 3214432145 is about 1475.8246305270.

Adding to 3214432145 its reverse (5412344123), we get a palindrome (8626776268).

The spelling of 3214432145 in words is "three billion, two hundred fourteen million, four hundred thirty-two thousand, one hundred forty-five".

Divisors: 1 5 642886429 3214432145