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204462031 is a prime number
BaseRepresentation
bin11000010111111…
…01011111001111
3112020201202011211
430023331133033
5404320241111
632142155251
75031620134
oct1413753717
9466652154
10204462031
11a5460394
1258582b27
133348a267
141d22458b
1512e3b521
hexc2fd7cf

204462031 has 2 divisors, whose sum is σ = 204462032. Its totient is φ = 204462030.

The previous prime is 204462029. The next prime is 204462053. The reversal of 204462031 is 130264402.

It is a happy number.

It is an a-pointer prime, because the next prime (204462053) can be obtained adding 204462031 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204462031 - 21 = 204462029 is a prime.

It is a super-2 number, since 2×2044620312 = 83609444241289922, which contains 22 as substring.

Together with 204462029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 204461993 and 204462011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204462001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102231015 + 102231016.

It is an arithmetic number, because the mean of its divisors is an integer number (102231016).

Almost surely, 2204462031 is an apocalyptic number.

204462031 is a deficient number, since it is larger than the sum of its proper divisors (1).

204462031 is an equidigital number, since it uses as much as digits as its factorization.

204462031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 204462031 is about 14299.0220294956. The cubic root of 204462031 is about 589.1206194783.

The spelling of 204462031 in words is "two hundred four million, four hundred sixty-two thousand, thirty-one".