Search a number
-
+
69130075 = 52717191223
BaseRepresentation
bin1000001111011…
…01011101011011
311211002011122011
410013231131123
5120144130300
610505410351
71466411260
oct407553533
9154064564
1069130075
11360274a3
121b1999b7
1311425891
149277267
156107eba
hex41ed75b

69130075 has 48 divisors (see below), whose sum is σ = 109278720. Its totient is φ = 42232320.

The previous prime is 69130049. The next prime is 69130129. The reversal of 69130075 is 57003196.

It is not a de Polignac number, because 69130075 - 25 = 69130043 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55914 + ... + 57136.

It is an arithmetic number, because the mean of its divisors is an integer number (2276640).

Almost surely, 269130075 is an apocalyptic number.

69130075 is a deficient number, since it is larger than the sum of its proper divisors (40148645).

69130075 is a wasteful number, since it uses less digits than its factorization.

69130075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276 (or 1271 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 69130075 is about 8314.4497713318. The cubic root of 69130075 is about 410.4141660574.

The spelling of 69130075 in words is "sixty-nine million, one hundred thirty thousand, seventy-five".

Divisors: 1 5 7 17 19 25 35 85 95 119 133 175 323 425 475 595 665 1223 1615 2261 2975 3325 6115 8075 8561 11305 20791 23237 30575 42805 56525 103955 116185 145537 162659 214025 395029 519775 580925 727685 813295 1975145 2765203 3638425 4066475 9875725 13826015 69130075