Search a number
-
+
13474780 = 22511232663
BaseRepresentation
bin110011011001…
…101111011100
3221100120220221
4303121233130
511422143110
61200451124
7222351034
oct63315734
927316827
1013474780
117673890
124619aa4
132a3a357
141b0a8c4
1512b27da
hexcd9bdc

13474780 has 48 divisors (see below), whose sum is σ = 32223744. Its totient is φ = 4685120.

The previous prime is 13474753. The next prime is 13474789. The reversal of 13474780 is 8747431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13474789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3729 + ... + 6391.

It is an arithmetic number, because the mean of its divisors is an integer number (671328).

Almost surely, 213474780 is an apocalyptic number.

13474780 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 13474780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16111872).

13474780 is an abundant number, since it is smaller than the sum of its proper divisors (18748964).

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

13474780 is a wasteful number, since it uses less digits than its factorization.

13474780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706 (or 2704 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 13474780 is about 3670.8010025061. The cubic root of 13474780 is about 237.9617903493.

The spelling of 13474780 in words is "thirteen million, four hundred seventy-four thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 23 44 46 55 92 110 115 220 230 253 460 506 1012 1265 2530 2663 5060 5326 10652 13315 26630 29293 53260 58586 61249 117172 122498 146465 244996 292930 306245 585860 612490 673739 1224980 1347478 2694956 3368695 6737390 13474780