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103071449 = 137928573
BaseRepresentation
bin1100010010010…
…11111011011001
321011221120110002
412021023323121
5202341241244
614121102345
72361043565
oct611137331
9234846402
10103071449
11531aa118
122a6279b5
131847a830
14d9906a5
1590aea4e
hex624bed9

103071449 has 4 divisors (see below), whose sum is σ = 111000036. Its totient is φ = 95142864.

The previous prime is 103071439. The next prime is 103071467. The reversal of 103071449 is 944170301.

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 24571849 + 78499600 = 4957^2 + 8860^2 .

It is a cyclic number.

It is not a de Polignac number, because 103071449 - 24 = 103071433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103071439) 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, 3964274 + ... + 3964299.

It is an arithmetic number, because the mean of its divisors is an integer number (27750009).

Almost surely, 2103071449 is an apocalyptic number.

It is an amenable number.

103071449 is a deficient number, since it is larger than the sum of its proper divisors (7928587).

103071449 is an equidigital number, since it uses as much as digits as its factorization.

103071449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7928586.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 103071449 is about 10152.4109944387. The cubic root of 103071449 is about 468.8631782653.

The spelling of 103071449 in words is "one hundred three million, seventy-one thousand, four hundred forty-nine".

Divisors: 1 13 7928573 103071449