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103245641 = 176073273
BaseRepresentation
bin1100010011101…
…10011101001001
321012021102101122
412021312131021
5202412330031
614124525025
72362400462
oct611663511
9235242348
10103245641
1153308a84
122a6b0775
131850bbc5
14d9d7d69
1590e647b
hex6276749

103245641 has 4 divisors (see below), whose sum is σ = 109318932. Its totient is φ = 97172352.

The previous prime is 103245629. The next prime is 103245671. The reversal of 103245641 is 146542301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 146542301 = 314727171.

It can be written as a sum of positive squares in 2 ways, for example, as 67305616 + 35940025 = 8204^2 + 5995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103245641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103245641.

It is not an unprimeable number, because it can be changed into a prime (103245671) 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, 3036620 + ... + 3036653.

It is an arithmetic number, because the mean of its divisors is an integer number (27329733).

Almost surely, 2103245641 is an apocalyptic number.

It is an amenable number.

103245641 is a deficient number, since it is larger than the sum of its proper divisors (6073291).

103245641 is an equidigital number, since it uses as much as digits as its factorization.

103245641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6073290.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 103245641 is about 10160.9862218192. The cubic root of 103245641 is about 469.1271577659.

Adding to 103245641 its reverse (146542301), we get a palindrome (249787942).

The spelling of 103245641 in words is "one hundred three million, two hundred forty-five thousand, six hundred forty-one".

Divisors: 1 17 6073273 103245641