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103039025 = 524121561
BaseRepresentation
bin1100010010001…
…00000000110001
321011212220222012
412021010000301
5202334222100
614120252305
72360550215
oct611040061
9234786865
10103039025
1153187821
122a611095
1318468b4b
14d982945
1590a5135
hex6244031

103039025 has 6 divisors (see below), whose sum is σ = 127768422. Its totient is φ = 82431200.

The previous prime is 103039021. The next prime is 103039031. The reversal of 103039025 is 520930301.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 57121 + 102981904 = 239^2 + 10148^2 .

It is not a de Polignac number, because 103039025 - 22 = 103039021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103039021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2060756 + ... + 2060805.

It is an arithmetic number, because the mean of its divisors is an integer number (21294737).

Almost surely, 2103039025 is an apocalyptic number.

It is an amenable number.

103039025 is a deficient number, since it is larger than the sum of its proper divisors (24729397).

103039025 is an equidigital number, since it uses as much as digits as its factorization.

103039025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4121571 (or 4121566 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 103039025 is about 10150.8140067681. The cubic root of 103039025 is about 468.8140084443.

Adding to 103039025 its reverse (520930301), we get a palindrome (623969326).

The spelling of 103039025 in words is "one hundred three million, thirty-nine thousand, twenty-five".

Divisors: 1 5 25 4121561 20607805 103039025