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102204407 is a prime number
BaseRepresentation
bin1100001011110…
…00001111110111
321010022112002102
412011320033313
5202131020112
614050332315
72350503014
oct605701767
9233275072
10102204407
1152767758
122a28a09b
1318235ca6
14d80670b
158e8cbc2
hex61783f7

102204407 has 2 divisors, whose sum is σ = 102204408. Its totient is φ = 102204406.

The previous prime is 102204379. The next prime is 102204419. The reversal of 102204407 is 704402201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102204407 - 216 = 102138871 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 (102204437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51102203 + 51102204.

It is an arithmetic number, because the mean of its divisors is an integer number (51102204).

Almost surely, 2102204407 is an apocalyptic number.

102204407 is a deficient number, since it is larger than the sum of its proper divisors (1).

102204407 is an equidigital number, since it uses as much as digits as its factorization.

102204407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 102204407 is about 10109.6195279546. The cubic root of 102204407 is about 467.5447746110.

Adding to 102204407 its reverse (704402201), we get a palindrome (806606608).

The spelling of 102204407 in words is "one hundred two million, two hundred four thousand, four hundred seven".