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52894949 is a prime number
BaseRepresentation
bin1100100111000…
…1110011100101
310200112100020012
43021301303211
5102020114244
65125420005
71211412452
oct311616345
9120470205
1052894949
1127948838
121586a605
13ac5ccb3
14704c829
15499c89e
hex3271ce5

52894949 has 2 divisors, whose sum is σ = 52894950. Its totient is φ = 52894948.

The previous prime is 52894909. The next prime is 52894999. The reversal of 52894949 is 94949825.

It is a happy number.

It is an a-pointer prime, because the next prime (52894999) can be obtained adding 52894949 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48302500 + 4592449 = 6950^2 + 2143^2 .

It is a cyclic number.

It is not a de Polignac number, because 52894949 - 220 = 51846373 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 52894897 and 52894906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52894909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26447474 + 26447475.

It is an arithmetic number, because the mean of its divisors is an integer number (26447475).

Almost surely, 252894949 is an apocalyptic number.

It is an amenable number.

52894949 is a deficient number, since it is larger than the sum of its proper divisors (1).

52894949 is an equidigital number, since it uses as much as digits as its factorization.

52894949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 50.

The square root of 52894949 is about 7272.8913782622. The cubic root of 52894949 is about 375.3802341801.

The spelling of 52894949 in words is "fifty-two million, eight hundred ninety-four thousand, nine hundred forty-nine".