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103356445 = 520671289
BaseRepresentation
bin1100010100100…
…01100000011101
321012111001101111
412022101200131
5202424401240
614131142021
72363341513
oct612214035
9235431344
10103356445
1153384255
122a744911
131854a47a
14da264b3
1591191ea
hex629181d

103356445 has 4 divisors (see below), whose sum is σ = 124027740. Its totient is φ = 82685152.

The previous prime is 103356443. The next prime is 103356469. The reversal of 103356445 is 544653301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544653301 = 4547119783.

It can be written as a sum of positive squares in 2 ways, for example, as 64593369 + 38763076 = 8037^2 + 6226^2 .

It is a cyclic number.

It is not a de Polignac number, because 103356445 - 21 = 103356443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103356443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10335640 + ... + 10335649.

It is an arithmetic number, because the mean of its divisors is an integer number (31006935).

Almost surely, 2103356445 is an apocalyptic number.

It is an amenable number.

103356445 is a deficient number, since it is larger than the sum of its proper divisors (20671295).

103356445 is an equidigital number, since it uses as much as digits as its factorization.

103356445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20671294.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 103356445 is about 10166.4371832024. The cubic root of 103356445 is about 469.2949213655.

The spelling of 103356445 in words is "one hundred three million, three hundred fifty-six thousand, four hundred forty-five".

Divisors: 1 5 20671289 103356445