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413280 = 25325741
BaseRepresentation
bin1100100111001100000
3202222220200
41210321200
5101211110
612505200
73340620
oct1447140
9688820
10413280
1126255a
1217b200
1311615a
14aa880
15826c0
hex64e60

413280 has 144 divisors (see below), whose sum is σ = 1651104. Its totient is φ = 92160.

The previous prime is 413267. The next prime is 413293. The reversal of 413280 is 82314.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (413267) and next prime (413293).

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10060 + ... + 10100.

It is an arithmetic number, because the mean of its divisors is an integer number (11466).

2413280 is an apocalyptic number.

413280 is a gapful number since it is divisible by the number (40) 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 413280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825552).

413280 is an abundant number, since it is smaller than the sum of its proper divisors (1237824).

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

413280 is a wasteful number, since it uses less digits than its factorization.

413280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 413280 is about 642.8685713270. The cubic root of 413280 is about 74.4871680375.

Adding to 413280 its reverse (82314), we get a palindrome (495594).

It can be divided in two parts, 41 and 3280, that added together give a triangular number (3321 = T81).

The spelling of 413280 in words is "four hundred thirteen thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 41 42 45 48 56 60 63 70 72 80 82 84 90 96 105 112 120 123 126 140 144 160 164 168 180 205 210 224 240 246 252 280 287 288 315 328 336 360 369 410 420 480 492 504 560 574 615 630 656 672 720 738 820 840 861 984 1008 1120 1148 1230 1260 1312 1435 1440 1476 1640 1680 1722 1845 1968 2016 2296 2460 2520 2583 2870 2952 3280 3360 3444 3690 3936 4305 4592 4920 5040 5166 5740 5904 6560 6888 7380 8610 9184 9840 10080 10332 11480 11808 12915 13776 14760 17220 19680 20664 22960 25830 27552 29520 34440 41328 45920 51660 59040 68880 82656 103320 137760 206640 413280