Search a number
-
+
1320222332 = 2211132979589
BaseRepresentation
bin100111010110000…
…1111111001111100
310102000020020120102
41032230033321330
510200434103312
6335000540232
744500463462
oct11654177174
93360206512
101320222332
1161825a640
1230a181678
13180698660
14c74a6832
157ad86ec2
hex4eb0fe7c

1320222332 has 48 divisors (see below), whose sum is σ = 2807935200. Its totient is φ = 534831360.

The previous prime is 1320222311. The next prime is 1320222347. The reversal of 1320222332 is 2332220231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23207 + ... + 56382.

It is an arithmetic number, because the mean of its divisors is an integer number (58498650).

Almost surely, 21320222332 is an apocalyptic number.

It is an amenable number.

1320222332 is an abundant number, since it is smaller than the sum of its proper divisors (1487712868).

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

1320222332 is a wasteful number, since it uses less digits than its factorization.

1320222332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79646 (or 79644 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1320222332 is about 36334.8638637879. The cubic root of 1320222332 is about 1097.0228953124.

Adding to 1320222332 its reverse (2332220231), we get a palindrome (3652442563).

The spelling of 1320222332 in words is "one billion, three hundred twenty million, two hundred twenty-two thousand, three hundred thirty-two".

Divisors: 1 2 4 11 13 22 26 29 44 52 58 116 143 286 319 377 572 638 754 1276 1508 4147 8294 16588 79589 159178 318356 875479 1034657 1750958 2069314 2308081 3501916 4138628 4616162 9232324 11381227 22762454 25388891 30005053 45524908 50777782 60010106 101555564 120020212 330055583 660111166 1320222332