Search a number
-
+
14320605 = 35132331103
BaseRepresentation
bin110110101000…
…001111011101
3222221120011210
4312220033131
512131224410
61230535033
7232503015
oct66501735
928846153
1014320605
1180a1312
124967479
132c75340
141c8ac45
1513cd220
hexda83dd

14320605 has 64 divisors (see below), whose sum is σ = 26836992. Its totient is φ = 6462720.

The previous prime is 14320601. The next prime is 14320627. The reversal of 14320605 is 50602341.

It is a happy number.

It is not a de Polignac number, because 14320605 - 22 = 14320601 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14320601) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 138984 + ... + 139086.

It is an arithmetic number, because the mean of its divisors is an integer number (419328).

Almost surely, 214320605 is an apocalyptic number.

14320605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

14320605 is the 3090-th pentagonal number.

It is an amenable number.

14320605 is a deficient number, since it is larger than the sum of its proper divisors (12516387).

14320605 is a wasteful number, since it uses less digits than its factorization.

14320605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 14320605 is about 3784.2575229495. The cubic root of 14320605 is about 242.8401292250.

Adding to 14320605 its reverse (50602341), we get a palindrome (64922946).

The spelling of 14320605 in words is "fourteen million, three hundred twenty thousand, six hundred five".

Divisors: 1 3 5 13 15 23 31 39 65 69 93 103 115 155 195 299 309 345 403 465 515 713 897 1209 1339 1495 1545 2015 2139 2369 3193 3565 4017 4485 6045 6695 7107 9269 9579 10695 11845 15965 20085 27807 30797 35535 41509 46345 47895 73439 92391 124527 139035 153985 207545 220317 367195 461955 622635 954707 1101585 2864121 4773535 14320605