Search a number
-
+
14549540 = 225312757
BaseRepresentation
bin110111100000…
…001000100100
31000101012012212
4313200020210
512211041130
61235502552
7234445325
oct67401044
930335185
1014549540
118238315
124a57a58
1330255c5
141d0a44c
151425e95
hexde0224

14549540 has 36 divisors (see below), whose sum is σ = 31613148. Its totient is φ = 5624640.

The previous prime is 14549527. The next prime is 14549567. The reversal of 14549540 is 4594541.

It can be written as a sum of positive squares in 2 ways, for example, as 7107556 + 7441984 = 2666^2 + 2728^2 .

It is a super-2 number, since 2×145495402 = 423378228423200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14549497 and 14549506.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18842 + ... + 19598.

It is an arithmetic number, because the mean of its divisors is an integer number (878143).

Almost surely, 214549540 is an apocalyptic number.

14549540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14549540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15806574).

14549540 is an abundant number, since it is smaller than the sum of its proper divisors (17063608).

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

14549540 is a wasteful number, since it uses less digits than its factorization.

14549540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 14549540 is about 3814.3859269875. The cubic root of 14549540 is about 244.1273410374.

The spelling of 14549540 in words is "fourteen million, five hundred forty-nine thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 757 961 1514 1922 3028 3785 3844 4805 7570 9610 15140 19220 23467 46934 93868 117335 234670 469340 727477 1454954 2909908 3637385 7274770 14549540