Search a number
-
+
13861460 = 2251759691
BaseRepresentation
bin110100111000…
…001001010100
3222002020100102
4310320021110
512022031320
61213033232
7225551264
oct64701124
928066312
1013861460
117908358
124785818
132b44362
141bab7a4
15133c175
hexd38254

13861460 has 48 divisors (see below), whose sum is σ = 31389120. Its totient is φ = 5122560.

The previous prime is 13861451. The next prime is 13861487. The reversal of 13861460 is 6416831.

It is a congruent number.

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, 19715 + ... + 20405.

It is an arithmetic number, because the mean of its divisors is an integer number (653940).

Almost surely, 213861460 is an apocalyptic number.

13861460 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 13861460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15694560).

13861460 is an abundant number, since it is smaller than the sum of its proper divisors (17527660).

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

13861460 is a wasteful number, since it uses less digits than its factorization.

13861460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 13861460 is about 3723.0981722216. The cubic root of 13861460 is about 240.2165868908.

The spelling of 13861460 in words is "thirteen million, eight hundred sixty-one thousand, four hundred sixty".

Divisors: 1 2 4 5 10 17 20 34 59 68 85 118 170 236 295 340 590 691 1003 1180 1382 2006 2764 3455 4012 5015 6910 10030 11747 13820 20060 23494 40769 46988 58735 81538 117470 163076 203845 234940 407690 693073 815380 1386146 2772292 3465365 6930730 13861460