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5231115 = 33538749
BaseRepresentation
bin10011111101001000001011
3100211202202000
4103331020023
52314343430
6304042043
762315031
oct23751013
910752660
105231115
112a5323a
121903323
131112046
149a2551
156d4e60
hex4fd20b

5231115 has 16 divisors (see below), whose sum is σ = 9300000. Its totient is φ = 2789856.

The previous prime is 5231111. The next prime is 5231119. The reversal of 5231115 is 5111325.

It is an interprime number because it is at equal distance from previous prime (5231111) and next prime (5231119).

It is not a de Polignac number, because 5231115 - 22 = 5231111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5231111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19240 + ... + 19509.

It is an arithmetic number, because the mean of its divisors is an integer number (581250).

Almost surely, 25231115 is an apocalyptic number.

5231115 is a deficient number, since it is larger than the sum of its proper divisors (4068885).

5231115 is a wasteful number, since it uses less digits than its factorization.

5231115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38763 (or 38757 counting only the distinct ones).

The product of its digits is 150, while the sum is 18.

The square root of 5231115 is about 2287.1630899435. The cubic root of 5231115 is about 173.5926857933.

It can be divided in two parts, 52311 and 15, that added together give a triangular number (52326 = T323).

The spelling of 5231115 in words is "five million, two hundred thirty-one thousand, one hundred fifteen".

Divisors: 1 3 5 9 15 27 45 135 38749 116247 193745 348741 581235 1046223 1743705 5231115