Search a number
-
+
313313100 = 223522936013
BaseRepresentation
bin10010101011001…
…100011101001100
3210211112221202220
4102223030131030
51120202004400
651031215340
710523055162
oct2253143514
9724487686
10313313100
11150947851
1288b17550
134cbac689
142d87b232
151c78d7a0
hex12acc74c

313313100 has 72 divisors (see below), whose sum is σ = 937804560. Its totient is φ = 80666880.

The previous prime is 313313081. The next prime is 313313101. The reversal of 313313100 is 1313313.

It is a super-2 number, since 2×3133131002 = 196330197263220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 313313100.

It is not an unprimeable number, because it can be changed into a prime (313313101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9307 + ... + 26706.

Almost surely, 2313313100 is an apocalyptic number.

313313100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

313313100 is an abundant number, since it is smaller than the sum of its proper divisors (624491460).

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

313313100 is a wasteful number, since it uses less digits than its factorization.

313313100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36059 (or 36052 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 313313100 is about 17700.6525303447. The cubic root of 313313100 is about 679.1924525487.

Adding to 313313100 its reverse (1313313), we get a palindrome (314626413).

The spelling of 313313100 in words is "three hundred thirteen million, three hundred thirteen thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 29 30 50 58 60 75 87 100 116 145 150 174 290 300 348 435 580 725 870 1450 1740 2175 2900 4350 8700 36013 72026 108039 144052 180065 216078 360130 432156 540195 720260 900325 1044377 1080390 1800650 2088754 2160780 2700975 3133131 3601300 4177508 5221885 5401950 6266262 10443770 10803900 12532524 15665655 20887540 26109425 31331310 52218850 62662620 78328275 104437700 156656550 313313100