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662243412 = 22371799839
BaseRepresentation
bin100111011110010…
…000100001010100
31201011010110011210
4213132100201110
52324013242122
6145414101420
722260655545
oct4736204124
91634113153
10662243412
1130a901306
1216594a870
13a727ca0c
1463d4a4cc
153d21540c
hex27790854

662243412 has 48 divisors (see below), whose sum is σ = 1586995200. Its totient is φ = 214861920.

The previous prime is 662243401. The next prime is 662243419. The reversal of 662243412 is 214342266.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 662243412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662243419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62389 + ... + 72227.

It is an arithmetic number, because the mean of its divisors is an integer number (33062400).

Almost surely, 2662243412 is an apocalyptic number.

It is an amenable number.

662243412 is an abundant number, since it is smaller than the sum of its proper divisors (924751788).

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

662243412 is a wasteful number, since it uses less digits than its factorization.

662243412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9996 (or 9994 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 662243412 is about 25734.0904638186. The cubic root of 662243412 is about 871.6441415422.

Adding to 662243412 its reverse (214342266), we get a palindrome (876585678).

The spelling of 662243412 in words is "six hundred sixty-two million, two hundred forty-three thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 71 79 142 158 213 237 284 316 426 474 852 948 5609 9839 11218 16827 19678 22436 29517 33654 39356 59034 67308 118068 698569 777281 1397138 1554562 2095707 2331843 2794276 3109124 4191414 4663686 8382828 9327372 55186951 110373902 165560853 220747804 331121706 662243412