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31449053 is a prime number
BaseRepresentation
bin111011111110…
…1111111011101
32012011202222202
41313331333131
531022332203
63042021245
7531212126
oct167757735
965152882
1031449053
1116830159
12a647825
13669170c
14426904d
152b63388
hex1dfdfdd

31449053 has 2 divisors, whose sum is σ = 31449054. Its totient is φ = 31449052.

The previous prime is 31449043. The next prime is 31449071. The reversal of 31449053 is 35094413.

31449053 is nontrivially palindromic in base 4.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19909444 + 11539609 = 4462^2 + 3397^2 .

It is a cyclic number.

It is not a de Polignac number, because 31449053 - 24 = 31449037 is a prime.

It is equal to p1941923 and since 31449053 and 1941923 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31449043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15724526 + 15724527.

It is an arithmetic number, because the mean of its divisors is an integer number (15724527).

Almost surely, 231449053 is an apocalyptic number.

It is an amenable number.

31449053 is a deficient number, since it is larger than the sum of its proper divisors (1).

31449053 is an equidigital number, since it uses as much as digits as its factorization.

31449053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 31449053 is about 5607.9455239865. The cubic root of 31449053 is about 315.6476236830.

The spelling of 31449053 in words is "thirty-one million, four hundred forty-nine thousand, fifty-three".