Search a number
-
+
2454513421 = 41274121841
BaseRepresentation
bin1001001001001100…
…1110011100001101
320100001121012102111
42102103032130031
520011323412141
61043320424021
7114553006543
oct22223163415
96301535374
102454513421
11104a566298
12586018011
13301694509
14193dadd93
15e5743381
hex924ce70d

2454513421 has 8 divisors (see below), whose sum is σ = 2515412088. Its totient is φ = 2393664000.

The previous prime is 2454513409. The next prime is 2454513427. The reversal of 2454513421 is 1243154542.

It can be written as a sum of positive squares in 4 ways, for example, as 341732196 + 2112781225 = 18486^2 + 45965^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2454513421 - 27 = 2454513293 is a prime.

It is a super-2 number, since 2×24545134212 = 12049272267738246482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2454513427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101461 + ... + 123301.

It is an arithmetic number, because the mean of its divisors is an integer number (314426511).

Almost surely, 22454513421 is an apocalyptic number.

It is an amenable number.

2454513421 is a deficient number, since it is larger than the sum of its proper divisors (60898667).

2454513421 is a wasteful number, since it uses less digits than its factorization.

2454513421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24623.

The product of its digits is 19200, while the sum is 31.

The square root of 2454513421 is about 49543.0461417140. The cubic root of 2454513421 is about 1348.9270708676.

Adding to 2454513421 its reverse (1243154542), we get a palindrome (3697667963).

The spelling of 2454513421 in words is "two billion, four hundred fifty-four million, five hundred thirteen thousand, four hundred twenty-one".

Divisors: 1 41 2741 21841 112381 895481 59866181 2454513421