Search a number
-
+
306701020 = 22515335051
BaseRepresentation
bin10010010001111…
…110001011011100
3210101010000201001
4102101332023130
51112003413040
650233400044
710412626033
oct2221761334
9711100631
10306701020
1114814101a
1286869024
134b705bc2
142ca3971a
151bdd459a
hex1247e2dc

306701020 has 12 divisors (see below), whose sum is σ = 644072184. Its totient is φ = 122680400.

The previous prime is 306700997. The next prime is 306701027. The reversal of 306701020 is 20107603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306701027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7667506 + ... + 7667545.

It is an arithmetic number, because the mean of its divisors is an integer number (53672682).

Almost surely, 2306701020 is an apocalyptic number.

It is an amenable number.

306701020 is an abundant number, since it is smaller than the sum of its proper divisors (337371164).

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

306701020 is a wasteful number, since it uses less digits than its factorization.

306701020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15335060 (or 15335058 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 306701020 is about 17512.8815447373. The cubic root of 306701020 is about 674.3806078487.

Adding to 306701020 its reverse (20107603), we get a palindrome (326808623).

The spelling of 306701020 in words is "three hundred six million, seven hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 15335051 30670102 61340204 76675255 153350510 306701020