Search a number
-
+
100232285 = 573274609
BaseRepresentation
bin1011111100101…
…10110001011101
320222121022211212
411332112301131
5201124413120
613540154205
72324650256
oct576266135
9228538755
10100232285
115163aaaa
1229698965
13179c545a
14d451b2d
158bed6c5
hex5f96c5d

100232285 has 8 divisors (see below), whose sum is σ = 121926840. Its totient is φ = 79087104.

The previous prime is 100232273. The next prime is 100232317. The reversal of 100232285 is 582232001.

It can be written as a sum of positive squares in 4 ways, for example, as 16216729 + 84015556 = 4027^2 + 9166^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100232285 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100232285.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 136940 + ... + 137669.

It is an arithmetic number, because the mean of its divisors is an integer number (15240855).

Almost surely, 2100232285 is an apocalyptic number.

It is an amenable number.

100232285 is a deficient number, since it is larger than the sum of its proper divisors (21694555).

100232285 is an equidigital number, since it uses as much as digits as its factorization.

100232285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274687.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 100232285 is about 10011.6075132818. The cubic root of 100232285 is about 464.5179959372.

Adding to 100232285 its reverse (582232001), we get a palindrome (682464286).

The spelling of 100232285 in words is "one hundred million, two hundred thirty-two thousand, two hundred eighty-five".

Divisors: 1 5 73 365 274609 1373045 20046457 100232285