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5512381 = 7787483
BaseRepresentation
bin10101000001110010111101
3101101001120021
4111001302331
52402344011
6314052141
764566040
oct25016275
911331507
105512381
113125596
121a1a051
1311b0084
14a36c57
1573d471
hex541cbd

5512381 has 4 divisors (see below), whose sum is σ = 6299872. Its totient is φ = 4724892.

The previous prime is 5512361. The next prime is 5512391. The reversal of 5512381 is 1832155.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5512381 is a prime.

It is a super-2 number, since 2×55123812 = 60772688578322, 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 (5512321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393735 + ... + 393748.

It is an arithmetic number, because the mean of its divisors is an integer number (1574968).

Almost surely, 25512381 is an apocalyptic number.

It is an amenable number.

5512381 is a deficient number, since it is larger than the sum of its proper divisors (787491).

5512381 is an equidigital number, since it uses as much as digits as its factorization.

5512381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787490.

The product of its digits is 1200, while the sum is 25.

The square root of 5512381 is about 2347.8460341343. The cubic root of 5512381 is about 176.6497697538.

The spelling of 5512381 in words is "five million, five hundred twelve thousand, three hundred eighty-one".

Divisors: 1 7 787483 5512381