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102553447 is a prime number
BaseRepresentation
bin1100001110011…
…01011101100111
321010222020212211
412013031131213
5202223202242
614102024251
72353455433
oct607153547
9233866784
10102553447
1152985a17
122a418087
1318328b19
14d8979c3
15900b317
hex61cd767

102553447 has 2 divisors, whose sum is σ = 102553448. Its totient is φ = 102553446.

The previous prime is 102553417. The next prime is 102553457. The reversal of 102553447 is 744355201.

It is a strong prime.

It is an emirp because it is prime and its reverse (744355201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102553447 - 215 = 102520679 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 (102553417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51276723 + 51276724.

It is an arithmetic number, because the mean of its divisors is an integer number (51276724).

Almost surely, 2102553447 is an apocalyptic number.

102553447 is a deficient number, since it is larger than the sum of its proper divisors (1).

102553447 is an equidigital number, since it uses as much as digits as its factorization.

102553447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 102553447 is about 10126.8675808465. The cubic root of 102553447 is about 468.0764098947.

The spelling of 102553447 in words is "one hundred two million, five hundred fifty-three thousand, four hundred forty-seven".