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5129447 = 16331469
BaseRepresentation
bin10011100100010011100111
3100122121021112
4103210103213
52303120242
6301535235
761412441
oct23442347
910577245
105129447
112993914
12187451b
1310a799b
14977491
156b4c82
hex4e44e7

5129447 has 4 divisors (see below), whose sum is σ = 5161080. Its totient is φ = 5097816.

The previous prime is 5129419. The next prime is 5129459. The reversal of 5129447 is 7449215.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 5129447 - 214 = 5113063 is a prime.

It is a super-2 number, since 2×51294472 = 52622453051618, 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 (5129407) 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, 15572 + ... + 15897.

It is an arithmetic number, because the mean of its divisors is an integer number (1290270).

Almost surely, 25129447 is an apocalyptic number.

5129447 is a deficient number, since it is larger than the sum of its proper divisors (31633).

5129447 is a wasteful number, since it uses less digits than its factorization.

5129447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31632.

The product of its digits is 10080, while the sum is 32.

The square root of 5129447 is about 2264.8282495589. The cubic root of 5129447 is about 172.4607149915.

The spelling of 5129447 in words is "five million, one hundred twenty-nine thousand, four hundred forty-seven".

Divisors: 1 163 31469 5129447