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49271329 = 263318713
BaseRepresentation
bin1011101111110…
…1001000100001
310102201020120001
42323331020201
5100103140304
64520020001
71135541122
oct273751041
9112636501
1049271329
11258a3308
1214601601
13a291843
146788049
1544d3da4
hex2efd221

49271329 has 4 divisors (see below), whose sum is σ = 49292676. Its totient is φ = 49249984.

The previous prime is 49271317. The next prime is 49271353. The reversal of 49271329 is 92317294.

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 23261329 + 26010000 = 4823^2 + 5100^2 .

It is a cyclic number.

It is not a de Polignac number, because 49271329 - 25 = 49271297 is a prime.

It is a super-2 number, since 2×492713292 = 4855327722852482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49271399) 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, 6724 + ... + 11989.

It is an arithmetic number, because the mean of its divisors is an integer number (12323169).

Almost surely, 249271329 is an apocalyptic number.

It is an amenable number.

49271329 is a deficient number, since it is larger than the sum of its proper divisors (21347).

49271329 is a wasteful number, since it uses less digits than its factorization.

49271329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21346.

The product of its digits is 27216, while the sum is 37.

The square root of 49271329 is about 7019.3538876452. The cubic root of 49271329 is about 366.6047538256.

The spelling of 49271329 in words is "forty-nine million, two hundred seventy-one thousand, three hundred twenty-nine".

Divisors: 1 2633 18713 49271329