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5103145 = 51760037
BaseRepresentation
bin10011011101111000101001
3100121021012101
4103131320221
52301300040
6301213401
761242655
oct23357051
910537171
105103145
112976083
121861261
131098a18
1496ba65
156ac09a
hex4dde29

5103145 has 8 divisors (see below), whose sum is σ = 6484104. Its totient is φ = 3842304.

The previous prime is 5103143. The next prime is 5103149. The reversal of 5103145 is 5413015.

It can be written as a sum of positive squares in 4 ways, for example, as 1819801 + 3283344 = 1349^2 + 1812^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5103145 - 21 = 5103143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5103143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29934 + ... + 30103.

It is an arithmetic number, because the mean of its divisors is an integer number (810513).

Almost surely, 25103145 is an apocalyptic number.

It is an amenable number.

5103145 is a deficient number, since it is larger than the sum of its proper divisors (1380959).

5103145 is a wasteful number, since it uses less digits than its factorization.

5103145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60059.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 5103145 is about 2259.0141655156. The cubic root of 5103145 is about 172.1654370926.

It can be divided in two parts, 51031 and 45, that added together give a square (51076 = 2262).

The spelling of 5103145 in words is "five million, one hundred three thousand, one hundred forty-five".

Divisors: 1 5 17 85 60037 300185 1020629 5103145