Search a number
-
+
47796869 is a prime number
BaseRepresentation
bin1011011001010…
…1001010000101
310022221022222102
42312111022011
544213444434
64424241445
71120160321
oct266251205
9108838872
1047796869
1124a8654a
1214010285
139b96693
1464c2981
1542e207e
hex2d95285

47796869 has 2 divisors, whose sum is σ = 47796870. Its totient is φ = 47796868.

The previous prime is 47796839. The next prime is 47796883. The reversal of 47796869 is 96869774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40576900 + 7219969 = 6370^2 + 2687^2 .

It is a cyclic number.

It is not a de Polignac number, because 47796869 - 220 = 46748293 is a prime.

It is a super-2 number, since 2×477968692 = 4569081372406322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47796839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23898434 + 23898435.

It is an arithmetic number, because the mean of its divisors is an integer number (23898435).

Almost surely, 247796869 is an apocalyptic number.

It is an amenable number.

47796869 is a deficient number, since it is larger than the sum of its proper divisors (1).

47796869 is an equidigital number, since it uses as much as digits as its factorization.

47796869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4572288, while the sum is 56.

The square root of 47796869 is about 6913.5279705806. The cubic root of 47796869 is about 362.9107360191.

The spelling of 47796869 in words is "forty-seven million, seven hundred ninety-six thousand, eight hundred sixty-nine".