Search a number
-
+
100061025 = 3523143037
BaseRepresentation
bin1011111011011…
…00111101100001
320222021121220220
411331230331201
5201103423100
613532353253
72323335051
oct575547541
9228247826
10100061025
1151533369
1229615829
131796550c
14d409561
158bb7aa0
hex5f6cf61

100061025 has 24 divisors (see below), whose sum is σ = 170774784. Its totient is φ = 51643200.

The previous prime is 100061023. The next prime is 100061051. The reversal of 100061025 is 520160001.

It is not a de Polignac number, because 100061025 - 21 = 100061023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100060995 and 100061013.

It is not an unprimeable number, because it can be changed into a prime (100061021) 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 23 ways as a sum of consecutive naturals, for example, 19194 + ... + 23843.

It is an arithmetic number, because the mean of its divisors is an integer number (7115616).

Almost surely, 2100061025 is an apocalyptic number.

100061025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100061025 is a deficient number, since it is larger than the sum of its proper divisors (70713759).

100061025 is a wasteful number, since it uses less digits than its factorization.

100061025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43081 (or 43076 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 100061025 is about 10003.0507846357. The cubic root of 100061025 is about 464.2532818145.

The spelling of 100061025 in words is "one hundred million, sixty-one thousand, twenty-five".

Divisors: 1 3 5 15 25 31 75 93 155 465 775 2325 43037 129111 215185 645555 1075925 1334147 3227775 4002441 6670735 20012205 33353675 100061025