Search a number
-
+
86903471 is a prime number
BaseRepresentation
bin1010010111000…
…00101010101111
320001112011011002
411023200222233
5134221402341
612342350515
72103444614
oct513405257
9201464132
1086903471
1145066956
122512b43b
1315009695
14b78250b
15796929b
hex52e0aaf

86903471 has 2 divisors, whose sum is σ = 86903472. Its totient is φ = 86903470.

The previous prime is 86903437. The next prime is 86903483. The reversal of 86903471 is 17430968.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-86903471 is a prime.

It is a super-3 number, since 3×869034713 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86903771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43451735 + 43451736.

It is an arithmetic number, because the mean of its divisors is an integer number (43451736).

Almost surely, 286903471 is an apocalyptic number.

86903471 is a deficient number, since it is larger than the sum of its proper divisors (1).

86903471 is an equidigital number, since it uses as much as digits as its factorization.

86903471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 86903471 is about 9322.2031194348. The cubic root of 86903471 is about 442.9408223669.

The spelling of 86903471 in words is "eighty-six million, nine hundred three thousand, four hundred seventy-one".