Search a number
-
+
3213422540 = 225353455159
BaseRepresentation
bin1011111110001000…
…1110111111001100
322021221121210000122
42333202032333030
523040114010130
61250510444112
7142426432556
oct27742167714
98257553018
103213422540
1113a9990a09
12758203638
133c298b173
14226ac04d6
1513c1a02e5
hexbf88efcc

3213422540 has 24 divisors (see below), whose sum is σ = 6767318880. Its totient is φ = 1281724928.

The previous prime is 3213422539. The next prime is 3213422549. The reversal of 3213422540 is 452243123.

It is a super-3 number, since 3×32134225403 (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3213422549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220520 + ... + 234639.

It is an arithmetic number, because the mean of its divisors is an integer number (281971620).

Almost surely, 23213422540 is an apocalyptic number.

It is an amenable number.

3213422540 is an abundant number, since it is smaller than the sum of its proper divisors (3553896340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3213422540 is a wasteful number, since it uses less digits than its factorization.

3213422540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455521 (or 455519 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 3213422540 is about 56687.0579585852. The cubic root of 3213422540 is about 1475.6701028757.

Adding to 3213422540 its reverse (452243123), we get a palindrome (3665665663).

The spelling of 3213422540 in words is "three billion, two hundred thirteen million, four hundred twenty-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 353 706 1412 1765 3530 7060 455159 910318 1820636 2275795 4551590 9103180 160671127 321342254 642684508 803355635 1606711270 3213422540