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48147857 is a prime number
BaseRepresentation
bin1011011110101…
…0110110010001
310100121011102222
42313222312101
544311212412
64435550425
71123151522
oct267526621
9110534388
1048147857
11251a621a
121415b415
139c8a374
146574849
154361072
hex2dead91

48147857 has 2 divisors, whose sum is σ = 48147858. Its totient is φ = 48147856.

The previous prime is 48147839. The next prime is 48147877. The reversal of 48147857 is 75874184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44302336 + 3845521 = 6656^2 + 1961^2 .

It is a cyclic number.

It is not a de Polignac number, because 48147857 - 28 = 48147601 is a prime.

It is a super-2 number, since 2×481478572 = 4636432267384898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (48147877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24073928 + 24073929.

It is an arithmetic number, because the mean of its divisors is an integer number (24073929).

Almost surely, 248147857 is an apocalyptic number.

It is an amenable number.

48147857 is a deficient number, since it is larger than the sum of its proper divisors (1).

48147857 is an equidigital number, since it uses as much as digits as its factorization.

48147857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 250880, while the sum is 44.

The square root of 48147857 is about 6938.8656853984. The cubic root of 48147857 is about 363.7968944001.

The spelling of 48147857 in words is "forty-eight million, one hundred forty-seven thousand, eight hundred fifty-seven".