Search a number
-
+
1418287360 = 2857222613
BaseRepresentation
bin101010010001001…
…0101100100000000
310122211202110111111
41110202111210000
510401040143420
6352422453104
750101146400
oct12442254400
93584673444
101418287360
1166864a316
12336b94194
13197ab24b9
14d6512800
15847a845a
hex54895900

1418287360 has 108 divisors (see below), whose sum is σ = 3952067868. Its totient is φ = 486248448.

The previous prime is 1418287333. The next prime is 1418287363. The reversal of 1418287360 is 637828141.

1418287360 = 852 + 862 + ... + 16202.

It can be written as a sum of positive squares in 2 ways, for example, as 563777536 + 854509824 = 23744^2 + 29232^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (1418287363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51414 + ... + 74026.

It is an arithmetic number, because the mean of its divisors is an integer number (36593221).

Almost surely, 21418287360 is an apocalyptic number.

1418287360 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 1418287360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1976033934).

1418287360 is an abundant number, since it is smaller than the sum of its proper divisors (2533780508).

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

1418287360 is an equidigital number, since it uses as much as digits as its factorization.

1418287360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22648 (or 22627 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 1418287360 is about 37660.1561335053. The cubic root of 1418287360 is about 1123.5388068362.

The spelling of 1418287360 in words is "one billion, four hundred eighteen million, two hundred eighty-seven thousand, three hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 128 140 160 196 224 245 256 280 320 392 448 490 560 640 784 896 980 1120 1280 1568 1792 1960 2240 3136 3920 4480 6272 7840 8960 12544 15680 22613 31360 45226 62720 90452 113065 158291 180904 226130 316582 361808 452260 633164 723616 791455 904520 1108037 1266328 1447232 1582910 1809040 2216074 2532656 2894464 3165820 3618080 4432148 5065312 5540185 5788928 6331640 7236160 8864296 10130624 11080370 12663280 14472320 17728592 20261248 22160740 25326560 28944640 35457184 40522496 44321480 50653120 70914368 88642960 101306240 141828736 177285920 202612480 283657472 354571840 709143680 1418287360