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5513405 = 51102681
BaseRepresentation
bin10101000010000010111101
3101101002222012
4111002002331
52402412110
6314101005
764602032
oct25020275
911332865
105513405
113126337
121a1a765
1311b0691
14a37389
1573d905
hex5420bd

5513405 has 4 divisors (see below), whose sum is σ = 6616092. Its totient is φ = 4410720.

The previous prime is 5513377. The next prime is 5513419. The reversal of 5513405 is 5043155.

5513405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1585081 + 3928324 = 1259^2 + 1982^2 .

It is not a de Polignac number, because 5513405 - 26 = 5513341 is a prime.

It is a super-3 number, since 3×55134053 (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551336 + ... + 551345.

It is an arithmetic number, because the mean of its divisors is an integer number (1654023).

Almost surely, 25513405 is an apocalyptic number.

It is an amenable number.

5513405 is a deficient number, since it is larger than the sum of its proper divisors (1102687).

5513405 is a wasteful number, since it uses less digits than its factorization.

5513405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102686.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 5513405 is about 2348.0640962291. The cubic root of 5513405 is about 176.6607074450.

The spelling of 5513405 in words is "five million, five hundred thirteen thousand, four hundred five".

Divisors: 1 5 1102681 5513405