Search a number
-
+
3100007 is a prime number
BaseRepresentation
bin1011110100110101100111
312211111102002
423310311213
51243200012
6150235515
735230631
oct13646547
95744362
103100007
111828099
121055b9b
13847031
145a9a51
154137c2
hex2f4d67

3100007 has 2 divisors, whose sum is σ = 3100008. Its totient is φ = 3100006.

The previous prime is 3099997. The next prime is 3100043. The reversal of 3100007 is 7000013.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3100007 is a prime.

It is a super-2 number, since 2×31000072 = 19220086800098, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3100057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1550003 + 1550004.

It is an arithmetic number, because the mean of its divisors is an integer number (1550004).

Almost surely, 23100007 is an apocalyptic number.

3100007 is a deficient number, since it is larger than the sum of its proper divisors (1).

3100007 is an equidigital number, since it uses as much as digits as its factorization.

3100007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21, while the sum is 11.

The square root of 3100007 is about 1760.6836740312. The cubic root of 3100007 is about 145.8100833320.

The spelling of 3100007 in words is "three million, one hundred thousand, seven".