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48877681 is a prime number
BaseRepresentation
bin1011101001110…
…1000001110001
310101222020120111
42322131001301
5100003041211
64503341321
71132311346
oct272350161
9111866514
1048877681
1125654586
1214451841
13a184608
1466c47cd
154457421
hex2e9d071

48877681 has 2 divisors, whose sum is σ = 48877682. Its totient is φ = 48877680.

The previous prime is 48877667. The next prime is 48877687. The reversal of 48877681 is 18677884.

48877681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48874081 + 3600 = 6991^2 + 60^2 .

It is a cyclic number.

It is not a de Polignac number, because 48877681 - 25 = 48877649 is a prime.

It is a super-2 number, since 2×488776812 = 4778055399875522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48877687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24438840 + 24438841.

It is an arithmetic number, because the mean of its divisors is an integer number (24438841).

Almost surely, 248877681 is an apocalyptic number.

It is an amenable number.

48877681 is a deficient number, since it is larger than the sum of its proper divisors (1).

48877681 is an equidigital number, since it uses as much as digits as its factorization.

48877681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 602112, while the sum is 49.

The square root of 48877681 is about 6991.2574691539. The cubic root of 48877681 is about 365.6258257073.

The spelling of 48877681 in words is "forty-eight million, eight hundred seventy-seven thousand, six hundred eighty-one".