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102204419 is a prime number
BaseRepresentation
bin1100001011110…
…00010000000011
321010022112002212
412011320100003
5202131020134
614050332335
72350503032
oct605702003
9233275085
10102204419
1152767769
122a28a0ab
1318235cb5
14d806719
158e8cbce
hex6178403

102204419 has 2 divisors, whose sum is σ = 102204420. Its totient is φ = 102204418.

The previous prime is 102204407. The next prime is 102204437. The reversal of 102204419 is 914402201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102204419 is a prime.

It is a super-2 number, since 2×1022044192 = 20891486526255122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 102204394 and 102204403.

It is not a weakly prime, because it can be changed into another prime (102204469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51102209 + 51102210.

It is an arithmetic number, because the mean of its divisors is an integer number (51102210).

Almost surely, 2102204419 is an apocalyptic number.

102204419 is a deficient number, since it is larger than the sum of its proper divisors (1).

102204419 is an equidigital number, since it uses as much as digits as its factorization.

102204419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 102204419 is about 10109.6201214487. The cubic root of 102204419 is about 467.5447929094.

The spelling of 102204419 in words is "one hundred two million, two hundred four thousand, four hundred nineteen".