Search a number
-
+
104630251 = 119511841
BaseRepresentation
bin1100011110010…
…00011111101011
321021212202201111
412033020133223
5203241132001
614214331151
72410225315
oct617103753
9237782644
10104630251
1154074290
122b059ab7
13188a51bb
14dc787b5
1592bb851
hex63c87eb

104630251 has 4 divisors (see below), whose sum is σ = 114142104. Its totient is φ = 95118400.

The previous prime is 104630249. The next prime is 104630261. The reversal of 104630251 is 152036401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104630251 - 21 = 104630249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104630221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4755910 + ... + 4755931.

It is an arithmetic number, because the mean of its divisors is an integer number (28535526).

Almost surely, 2104630251 is an apocalyptic number.

104630251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

104630251 is the 4575-th centered decagonal number.

104630251 is a deficient number, since it is larger than the sum of its proper divisors (9511853).

104630251 is an equidigital number, since it uses as much as digits as its factorization.

104630251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9511852.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 104630251 is about 10228.8929508525. The cubic root of 104630251 is about 471.2149808283.

Adding to 104630251 its reverse (152036401), we get a palindrome (256666652).

The spelling of 104630251 in words is "one hundred four million, six hundred thirty thousand, two hundred fifty-one".

Divisors: 1 11 9511841 104630251