Search a number
-
+
14721330 = 2351337747
BaseRepresentation
bin111000001010…
…000100110010
31000200220212110
4320022010302
512232040310
61243310150
7236062221
oct70120462
930626773
1014721330
118345398
124b1b356
133085860
141d52cb8
15145bd20
hexe0a132

14721330 has 32 divisors (see below), whose sum is σ = 38049984. Its totient is φ = 3623616.

The previous prime is 14721323. The next prime is 14721347. The reversal of 14721330 is 3312741.

It is a junction number, because it is equal to n+sod(n) for n = 14721297 and 14721306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18484 + ... + 19263.

It is an arithmetic number, because the mean of its divisors is an integer number (1189062).

Almost surely, 214721330 is an apocalyptic number.

14721330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14721330 is an abundant number, since it is smaller than the sum of its proper divisors (23328654).

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

14721330 is a wasteful number, since it uses less digits than its factorization.

14721330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37770.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 14721330 is about 3836.8385423419. The cubic root of 14721330 is about 245.0844079564.

It can be divided in two parts, 14721 and 330, that added together give a palindrome (15051).

The spelling of 14721330 in words is "fourteen million, seven hundred twenty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 37747 75494 113241 188735 226482 377470 490711 566205 981422 1132410 1472133 2453555 2944266 4907110 7360665 14721330