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48679861 is a prime number
BaseRepresentation
bin1011100110110…
…0101110110101
310101121012012211
42321230232311
544430223421
64455213421
71130525536
oct271545665
9111535184
1048679861
112552999a
1214377271
13a115569
14667268d
1544189e1
hex2e6cbb5

48679861 has 2 divisors, whose sum is σ = 48679862. Its totient is φ = 48679860.

The previous prime is 48679853. The next prime is 48679867. The reversal of 48679861 is 16897684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43362225 + 5317636 = 6585^2 + 2306^2 .

It is a cyclic number.

It is not a de Polignac number, because 48679861 - 23 = 48679853 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48679867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24339930 + 24339931.

It is an arithmetic number, because the mean of its divisors is an integer number (24339931).

Almost surely, 248679861 is an apocalyptic number.

It is an amenable number.

48679861 is a deficient number, since it is larger than the sum of its proper divisors (1).

48679861 is an equidigital number, since it uses as much as digits as its factorization.

48679861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 49.

The square root of 48679861 is about 6977.0954558469. The cubic root of 48679861 is about 365.1318995370.

The spelling of 48679861 in words is "forty-eight million, six hundred seventy-nine thousand, eight hundred sixty-one".