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102220553 is a prime number
BaseRepresentation
bin1100001011111…
…00001100001001
321010100100020102
412011330030021
5202132024203
614050535145
72350601051
oct605741411
9233310212
10102220553
11527788a6
122a2974b5
1318240446
14d80c561
158e92888
hex617c309

102220553 has 2 divisors, whose sum is σ = 102220554. Its totient is φ = 102220552.

The previous prime is 102220543. The next prime is 102220571. The reversal of 102220553 is 355022201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66064384 + 36156169 = 8128^2 + 6013^2 .

It is a cyclic number.

It is not a de Polignac number, because 102220553 - 28 = 102220297 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102220523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110276 + 51110277.

It is an arithmetic number, because the mean of its divisors is an integer number (51110277).

Almost surely, 2102220553 is an apocalyptic number.

It is an amenable number.

102220553 is a deficient number, since it is larger than the sum of its proper divisors (1).

102220553 is an equidigital number, since it uses as much as digits as its factorization.

102220553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 102220553 is about 10110.4180427913. The cubic root of 102220553 is about 467.5693938378.

Adding to 102220553 its reverse (355022201), we get a palindrome (457242754).

The spelling of 102220553 in words is "one hundred two million, two hundred twenty thousand, five hundred fifty-three".