Search a number
-
+
3100111 = 71074139
BaseRepresentation
bin1011110100110111001111
312211111112221
423310313033
51243200421
6150240211
735231140
oct13646717
95744487
103100111
111828183
121056067
138470b1
145a9ac7
15413841
hex2f4dcf

3100111 has 8 divisors (see below), whose sum is σ = 3576960. Its totient is φ = 2631768.

The previous prime is 3100099. The next prime is 3100127. The reversal of 3100111 is 1110013.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3100111 - 25 = 3100079 is a prime.

It is a super-2 number, since 2×31001112 = 19221376424642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3100094 and 3100103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3100151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321 + ... + 2818.

It is an arithmetic number, because the mean of its divisors is an integer number (447120).

Almost surely, 23100111 is an apocalyptic number.

3100111 is a deficient number, since it is larger than the sum of its proper divisors (476849).

3100111 is a wasteful number, since it uses less digits than its factorization.

3100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4253.

The product of its (nonzero) digits is 3, while the sum is 7.

The square root of 3100111 is about 1760.7132077655. The cubic root of 3100111 is about 145.8117138745.

Adding to 3100111 its reverse (1110013), we get a palindrome (4210124).

The spelling of 3100111 in words is "three million, one hundred thousand, one hundred eleven".

Divisors: 1 7 107 749 4139 28973 442873 3100111