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13330242 = 2325389157
BaseRepresentation
bin110010110110…
…011101000010
3221002020122200
4302312131002
511403031432
61153414030
7221206452
oct62663502
927066580
1013330242
117585232
12456a316
1329b9623
141aadd62
151284a7c
hexcb6742

13330242 has 48 divisors (see below), whose sum is σ = 29947320. Its totient is φ = 4283136.

The previous prime is 13330241. The next prime is 13330243. The reversal of 13330242 is 24203331.

13330242 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13330241) and next prime (13330243).

It can be written as a sum of positive squares in 4 ways, for example, as 9678321 + 3651921 = 3111^2 + 1911^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13330241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84828 + ... + 84984.

Almost surely, 213330242 is an apocalyptic number.

13330242 is an abundant number, since it is smaller than the sum of its proper divisors (16617078).

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

13330242 is a wasteful number, since it uses less digits than its factorization.

13330242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 13330242 is about 3651.0603939130. The cubic root of 13330242 is about 237.1078929781.

Adding to 13330242 its reverse (24203331), we get a palindrome (37533573).

The spelling of 13330242 in words is "thirteen million, three hundred thirty thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 53 89 106 157 159 178 267 314 318 471 477 534 801 942 954 1413 1602 2826 4717 8321 9434 13973 14151 16642 24963 27946 28302 41919 42453 49926 74889 83838 84906 125757 149778 251514 740569 1481138 2221707 4443414 6665121 13330242