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1418420322 = 2341122692
BaseRepresentation
bin101010010001011…
…0110000001100010
310122212000012220000
41110202312001202
510401103422242
6352425400430
750102242134
oct12442660142
93585005800
101418420322
11668730200
12337039116
13197b2ab87
14d6549054
15847d2a4c
hex548b6062

1418420322 has 90 divisors (see below), whose sum is σ = 3506552049. Its totient is φ = 428226480.

The previous prime is 1418420261. The next prime is 1418420383. The reversal of 1418420322 is 2230248141.

It is an interprime number because it is at equal distance from previous prime (1418420261) and next prime (1418420383).

It can be written as a sum of positive squares in 2 ways, for example, as 1060870041 + 357550281 = 32571^2 + 18909^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=26631.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 5272804 + ... + 5273072.

Almost surely, 21418420322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1418420322

1418420322 is an abundant number, since it is smaller than the sum of its proper divisors (2088131727).

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

1418420322 is an equidigital number, since it uses as much as digits as its factorization.

1418420322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 1418420322 is about 37661.9213795579. The cubic root of 1418420322 is about 1123.5739156825.

Adding to 1418420322 its reverse (2230248141), we get a palindrome (3648668463).

The spelling of 1418420322 in words is "one billion, four hundred eighteen million, four hundred twenty thousand, three hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 81 99 121 162 198 242 269 297 363 538 594 726 807 891 1089 1614 1782 2178 2421 2959 3267 4842 5918 6534 7263 8877 9801 14526 17754 19602 21789 26631 32549 43578 53262 65098 72361 79893 97647 144722 159786 195294 217083 239679 292941 434166 479358 585882 651249 795971 878823 1302498 1591942 1757646 1953747 2387913 2636469 3907494 4775826 5272938 5861241 7163739 8755681 11722482 14327478 17511362 21491217 26267043 42982434 52534086 64473651 78801129 128947302 157602258 236403387 472806774 709210161 1418420322