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76948481 is a prime number
BaseRepresentation
bin1001001011000…
…10010000000001
312100210101110202
410211202100001
5124144322411
611345134545
71623023411
oct445422001
9170711422
1076948481
113a487595
122192a455
1312c3245c
14a310641
156b4e83b
hex4962401

76948481 has 2 divisors, whose sum is σ = 76948482. Its totient is φ = 76948480.

The previous prime is 76948471. The next prime is 76948489. The reversal of 76948481 is 18484967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69872881 + 7075600 = 8359^2 + 2660^2 .

It is a cyclic number.

It is not a de Polignac number, because 76948481 - 222 = 72754177 is a prime.

It is a super-2 number, since 2×769484812 = 11842137456414722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76948489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38474240 + 38474241.

It is an arithmetic number, because the mean of its divisors is an integer number (38474241).

Almost surely, 276948481 is an apocalyptic number.

It is an amenable number.

76948481 is a deficient number, since it is larger than the sum of its proper divisors (1).

76948481 is an equidigital number, since it uses as much as digits as its factorization.

76948481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 47.

The square root of 76948481 is about 8772.0283287276. The cubic root of 76948481 is about 425.3371829369.

The spelling of 76948481 in words is "seventy-six million, nine hundred forty-eight thousand, four hundred eighty-one".