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49028831 is a prime number
BaseRepresentation
bin1011101100000…
…1111011011111
310102020220220122
42323001323133
5100022410311
64510505155
71133511125
oct273017337
9112226818
1049028831
11257480a5
12145051bb
13a208357
146723915
1544870db
hex2ec1edf

49028831 has 2 divisors, whose sum is σ = 49028832. Its totient is φ = 49028830.

The previous prime is 49028813. The next prime is 49028843. The reversal of 49028831 is 13882094.

It is a happy number.

Together with previous prime (49028813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49028831 - 210 = 49027807 is a prime.

It is a super-2 number, since 2×490288312 = 4807652538453122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49028791 and 49028800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49028891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24514415 + 24514416.

It is an arithmetic number, because the mean of its divisors is an integer number (24514416).

Almost surely, 249028831 is an apocalyptic number.

49028831 is a deficient number, since it is larger than the sum of its proper divisors (1).

49028831 is an equidigital number, since it uses as much as digits as its factorization.

49028831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 49028831 is about 7002.0590543068. The cubic root of 49028831 is about 366.0023266198.

The spelling of 49028831 in words is "forty-nine million, twenty-eight thousand, eight hundred thirty-one".