Search a number
-
+
14171380 = 225708569
BaseRepresentation
bin110110000011…
…110011110100
3222122222110221
4312003303310
512111441010
61223424124
7231311656
oct66036364
928588427
1014171380
117aaa193
1248b5044
132c22442
141c4c6d6
15139ddda
hexd83cf4

14171380 has 12 divisors (see below), whose sum is σ = 29759940. Its totient is φ = 5668544.

The previous prime is 14171369. The next prime is 14171413. The reversal of 14171380 is 8317141.

It can be written as a sum of positive squares in 2 ways, for example, as 3175524 + 10995856 = 1782^2 + 3316^2 .

It is a super-2 number, since 2×141713802 = 401656022208800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 354265 + ... + 354304.

It is an arithmetic number, because the mean of its divisors is an integer number (2479995).

Almost surely, 214171380 is an apocalyptic number.

14171380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14171380 is an abundant number, since it is smaller than the sum of its proper divisors (15588560).

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

14171380 is a wasteful number, since it uses less digits than its factorization.

14171380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708578 (or 708576 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 14171380 is about 3764.4893411989. The cubic root of 14171380 is about 241.9936933447.

The spelling of 14171380 in words is "fourteen million, one hundred seventy-one thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 708569 1417138 2834276 3542845 7085690 14171380