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1454164340 = 225349208333
BaseRepresentation
bin101011010101100…
…1100100101110100
310202100021012110112
41112223030211310
510434231224330
6400143442152
751015123116
oct12653144564
93670235415
101454164340
11686924212
12346bb6358
131a2364495
14db1b13b6
15879e3795
hex56acc974

1454164340 has 24 divisors (see below), whose sum is σ = 3062509800. Its totient is φ = 579996288.

The previous prime is 1454164333. The next prime is 1454164363. The reversal of 1454164340 is 434614541.

It can be written as a sum of positive squares in 4 ways, for example, as 109035364 + 1345128976 = 10442^2 + 36676^2 .

It is a super-2 number, since 2×14541643402 = 4229187855455271200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1454164297 and 1454164306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97187 + ... + 111146.

It is an arithmetic number, because the mean of its divisors is an integer number (127604575).

Almost surely, 21454164340 is an apocalyptic number.

1454164340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1454164340 is an abundant number, since it is smaller than the sum of its proper divisors (1608345460).

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

1454164340 is a wasteful number, since it uses less digits than its factorization.

1454164340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208691 (or 208689 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 1454164340 is about 38133.5067886498. The cubic root of 1454164340 is about 1132.9337035842.

Adding to 1454164340 its reverse (434614541), we get a palindrome (1888778881).

The spelling of 1454164340 in words is "one billion, four hundred fifty-four million, one hundred sixty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 349 698 1396 1745 3490 6980 208333 416666 833332 1041665 2083330 4166660 72708217 145416434 290832868 363541085 727082170 1454164340