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1346453540 = 22567322677
BaseRepresentation
bin101000001000001…
…0100000000100100
310110211120221000122
41100100110000210
510224143003130
6341335101112
745236444345
oct12020240044
93424527018
101346453540
11631046523
12316b11798
13185c51093
14cab740cc
157d3192e5
hex50414024

1346453540 has 12 divisors (see below), whose sum is σ = 2827552476. Its totient is φ = 538581408.

The previous prime is 1346453531. The next prime is 1346453579. The reversal of 1346453540 is 453546431.

It can be written as a sum of positive squares in 2 ways, for example, as 892933924 + 453519616 = 29882^2 + 21296^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1346453540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33661319 + ... + 33661358.

It is an arithmetic number, because the mean of its divisors is an integer number (235629373).

Almost surely, 21346453540 is an apocalyptic number.

1346453540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1346453540 is an abundant number, since it is smaller than the sum of its proper divisors (1481098936).

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

1346453540 is a wasteful number, since it uses less digits than its factorization.

1346453540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67322686 (or 67322684 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 1346453540 is about 36694.0531966693. The cubic root of 1346453540 is about 1104.2408030788.

Adding to 1346453540 its reverse (453546431), we get a palindrome (1799999971).

The spelling of 1346453540 in words is "one billion, three hundred forty-six million, four hundred fifty-three thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 67322677 134645354 269290708 336613385 673226770 1346453540