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103201253 = 234487011
BaseRepresentation
bin1100010011010…
…11100111100101
321012012011111122
412021223213211
5202404420003
614123543325
72362124201
oct611534745
9235164448
10103201253
11532886a1
122a68ab45
13184c493c
14d9c5b01
1590d8238
hex626b9e5

103201253 has 4 divisors (see below), whose sum is σ = 107688288. Its totient is φ = 98714220.

The previous prime is 103201213. The next prime is 103201279. The reversal of 103201253 is 352102301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 352102301 = 418587861.

It is a cyclic number.

It is not a de Polignac number, because 103201253 - 28 = 103200997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103201213) 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, 2243483 + ... + 2243528.

It is an arithmetic number, because the mean of its divisors is an integer number (26922072).

Almost surely, 2103201253 is an apocalyptic number.

It is an amenable number.

103201253 is a deficient number, since it is larger than the sum of its proper divisors (4487035).

103201253 is an equidigital number, since it uses as much as digits as its factorization.

103201253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4487034.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 103201253 is about 10158.8017502066. The cubic root of 103201253 is about 469.0599181194.

Adding to 103201253 its reverse (352102301), we get a palindrome (455303554).

The spelling of 103201253 in words is "one hundred three million, two hundred one thousand, two hundred fifty-three".

Divisors: 1 23 4487011 103201253