Search a number
-
+
89938875 = 3531319971
BaseRepresentation
bin1010101110001…
…01101110111011
320021020100221110
411113011232323
5141011021000
612531411403
72141316315
oct527055673
9207210843
1089938875
114684a454
1226153b63
1315830190
14bd327b5
157d68850
hex55c5bbb

89938875 has 64 divisors (see below), whose sum is σ = 169827840. Its totient is φ = 41904000.

The previous prime is 89938873. The next prime is 89938903. The reversal of 89938875 is 57883998.

It is not a de Polignac number, because 89938875 - 21 = 89938873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (89938873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 92140 + ... + 93110.

It is an arithmetic number, because the mean of its divisors is an integer number (2653560).

Almost surely, 289938875 is an apocalyptic number.

89938875 is a deficient number, since it is larger than the sum of its proper divisors (79888965).

89938875 is a wasteful number, since it uses less digits than its factorization.

89938875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021 (or 1011 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 57.

The square root of 89938875 is about 9483.6108629572. The cubic root of 89938875 is about 448.0389976549.

The spelling of 89938875 in words is "eighty-nine million, nine hundred thirty-eight thousand, eight hundred seventy-five".

Divisors: 1 3 5 13 15 19 25 39 57 65 75 95 125 195 247 285 325 375 475 741 971 975 1235 1425 1625 2375 2913 3705 4855 4875 6175 7125 12623 14565 18449 18525 24275 30875 37869 55347 63115 72825 92245 92625 121375 189345 239837 276735 315575 364125 461225 719511 946725 1199185 1383675 1577875 2306125 3597555 4733625 5995925 6918375 17987775 29979625 89938875