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3130395 = 351811153
BaseRepresentation
bin1011111100010000011011
312220001002120
423330100123
51300133040
6151032323
735415342
oct13742033
95801076
103130395
111848a04
12106b6a3
13857b08
145b6b59
1541c7d0
hex2fc41b

3130395 has 16 divisors (see below), whose sum is σ = 5040672. Its totient is φ = 1658880.

The previous prime is 3130373. The next prime is 3130399. The reversal of 3130395 is 5930313.

It is not a de Polignac number, because 3130395 - 26 = 3130331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3130399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2139 + ... + 3291.

It is an arithmetic number, because the mean of its divisors is an integer number (315042).

Almost surely, 23130395 is an apocalyptic number.

3130395 is a deficient number, since it is larger than the sum of its proper divisors (1910277).

3130395 is a wasteful number, since it uses less digits than its factorization.

3130395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342.

The product of its (nonzero) digits is 1215, while the sum is 24.

The square root of 3130395 is about 1769.2922313739. The cubic root of 3130395 is about 146.2849722779.

The spelling of 3130395 in words is "three million, one hundred thirty thousand, three hundred ninety-five".

Divisors: 1 3 5 15 181 543 905 1153 2715 3459 5765 17295 208693 626079 1043465 3130395