[go: up one dir, main page]

Search a number
-
+
3101072 = 241317877
BaseRepresentation
bin1011110101000110010000
312211112212112
423311012100
51243213242
6150244452
735234012
oct13650620
95745775
103101072
111828977
121056728
13847670
145aa1b2
15413c82
hex2f5190

3101072 has 40 divisors (see below), whose sum is σ = 6858936. Its totient is φ = 1345536.

The previous prime is 3101069. The next prime is 3101141. The reversal of 3101072 is 2701013.

It can be written as a sum of positive squares in 4 ways, for example, as 802816 + 2298256 = 896^2 + 1516^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3098 + ... + 3974.

Almost surely, 23101072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3101072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3429468).

3101072 is an abundant number, since it is smaller than the sum of its proper divisors (3757864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3101072 is a wasteful number, since it uses less digits than its factorization.

3101072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 3101072 is about 1760.9860873954. The cubic root of 3101072 is about 145.8267789889.

Adding to 3101072 its reverse (2701013), we get a palindrome (5802085).

The spelling of 3101072 in words is "three million, one hundred one thousand, seventy-two".

Divisors: 1 2 4 8 13 16 17 26 34 52 68 104 136 208 221 272 442 877 884 1754 1768 3508 3536 7016 11401 14032 14909 22802 29818 45604 59636 91208 119272 182416 193817 238544 387634 775268 1550536 3101072