Search a number
-
+
307002725 = 5212280109
BaseRepresentation
bin10010010011000…
…111110101100101
3210101200100120022
4102103013311211
51112043041400
650244044525
710415323451
oct2223076545
9711610508
10307002725
11148327767
1286993745
134b7b0323
142cab7661
151be43b85
hex124c7d65

307002725 has 6 divisors (see below), whose sum is σ = 380683410. Its totient is φ = 245602160.

The previous prime is 307002719. The next prime is 307002733. The reversal of 307002725 is 527200703.

It can be written as a sum of positive squares in 3 ways, for example, as 52504516 + 254498209 = 7246^2 + 15953^2 .

It is not a de Polignac number, because 307002725 - 28 = 307002469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 307002694 and 307002703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6140030 + ... + 6140079.

It is an arithmetic number, because the mean of its divisors is an integer number (63447235).

Almost surely, 2307002725 is an apocalyptic number.

It is an amenable number.

307002725 is a deficient number, since it is larger than the sum of its proper divisors (73680685).

307002725 is a wasteful number, since it uses less digits than its factorization.

307002725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12280119 (or 12280114 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 307002725 is about 17521.4932297450. The cubic root of 307002725 is about 674.6016671300.

The spelling of 307002725 in words is "three hundred seven million, two thousand, seven hundred twenty-five".

Divisors: 1 5 25 12280109 61400545 307002725