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83625049 is a prime number
BaseRepresentation
bin1001111110000…
…00010001011001
312211100121000001
410333000101121
5132402000144
612144213001
72033541544
oct477002131
9184317001
1083625049
1143227812
122400a161
131442c3a1
14b16b85b
15751cbd4
hex4fc0459

83625049 has 2 divisors, whose sum is σ = 83625050. Its totient is φ = 83625048.

The previous prime is 83625037. The next prime is 83625097. The reversal of 83625049 is 94052638.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64641600 + 18983449 = 8040^2 + 4357^2 .

It is a cyclic number.

It is not a de Polignac number, because 83625049 - 213 = 83616857 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 83624999 and 83625017.

It is not a weakly prime, because it can be changed into another prime (83625019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41812524 + 41812525.

It is an arithmetic number, because the mean of its divisors is an integer number (41812525).

Almost surely, 283625049 is an apocalyptic number.

It is an amenable number.

83625049 is a deficient number, since it is larger than the sum of its proper divisors (1).

83625049 is an equidigital number, since it uses as much as digits as its factorization.

83625049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 83625049 is about 9144.6732582417. The cubic root of 83625049 is about 437.2993130176.

The spelling of 83625049 in words is "eighty-three million, six hundred twenty-five thousand, forty-nine".