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61102253 is a prime number
BaseRepresentation
bin1110100100010…
…1100010101101
311020222022112102
43221011202231
5111120233003
610021344445
71341234452
oct351054255
9136868472
1061102253
1131544033
1218568125
13c8748a4
148187829
15556e588
hex3a458ad

61102253 has 2 divisors, whose sum is σ = 61102254. Its totient is φ = 61102252.

The previous prime is 61102231. The next prime is 61102277. The reversal of 61102253 is 35220116.

61102253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46063369 + 15038884 = 6787^2 + 3878^2 .

It is a cyclic number.

It is not a de Polignac number, because 61102253 - 224 = 44325037 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61102453) 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 as a sum of consecutive naturals, namely, 30551126 + 30551127.

It is an arithmetic number, because the mean of its divisors is an integer number (30551127).

Almost surely, 261102253 is an apocalyptic number.

It is an amenable number.

61102253 is a deficient number, since it is larger than the sum of its proper divisors (1).

61102253 is an equidigital number, since it uses as much as digits as its factorization.

61102253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 61102253 is about 7816.7930124828. The cubic root of 61102253 is about 393.8695510668.

Adding to 61102253 its reverse (35220116), we get a palindrome (96322369).

The spelling of 61102253 in words is "sixty-one million, one hundred two thousand, two hundred fifty-three".