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102255061 is a prime number
BaseRepresentation
bin1100001100001…
…00100111010101
321010102002120111
412012010213111
5202134130221
614051403021
72351103466
oct606044725
9233362514
10102255061
11527a1817
122a2b3471
131825306c
14d81ad6d
158e9cbe1
hex61849d5

102255061 has 2 divisors, whose sum is σ = 102255062. Its totient is φ = 102255060.

The previous prime is 102255011. The next prime is 102255091. The reversal of 102255061 is 160552201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93219025 + 9036036 = 9655^2 + 3006^2 .

It is an emirp because it is prime and its reverse (160552201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102255061 - 29 = 102254549 is a prime.

It is a super-2 number, since 2×1022550612 = 20912195000227442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102255011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51127530 + 51127531.

It is an arithmetic number, because the mean of its divisors is an integer number (51127531).

Almost surely, 2102255061 is an apocalyptic number.

It is an amenable number.

102255061 is a deficient number, since it is larger than the sum of its proper divisors (1).

102255061 is an equidigital number, since it uses as much as digits as its factorization.

102255061 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 22.

The square root of 102255061 is about 10112.1244553259. The cubic root of 102255061 is about 467.6220025318.

The spelling of 102255061 in words is "one hundred two million, two hundred fifty-five thousand, sixty-one".