Search a number
-
+
306880413 = 3717859609
BaseRepresentation
bin10010010010101…
…001111110011101
3210101110010210020
4102102221332131
51112030133123
650241302353
710414304040
oct2222517635
9711403706
10306880413
11148253884
12869349b9
134b769758
142ca84c57
151be1c7e3
hex124a9f9d

306880413 has 16 divisors (see below), whose sum is σ = 495135360. Its totient is φ = 165044736.

The previous prime is 306880403. The next prime is 306880423. The reversal of 306880413 is 314088603.

It is an interprime number because it is at equal distance from previous prime (306880403) and next prime (306880423).

It is not a de Polignac number, because 306880413 - 29 = 306879901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306880403) 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, 429448 + ... + 430161.

It is an arithmetic number, because the mean of its divisors is an integer number (30945960).

Almost surely, 2306880413 is an apocalyptic number.

It is an amenable number.

306880413 is a deficient number, since it is larger than the sum of its proper divisors (188254947).

306880413 is a wasteful number, since it uses less digits than its factorization.

306880413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859636.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 306880413 is about 17518.0025402441. The cubic root of 306880413 is about 674.5120665797.

The spelling of 306880413 in words is "three hundred six million, eight hundred eighty thousand, four hundred thirteen".

Divisors: 1 3 7 17 21 51 119 357 859609 2578827 6017263 14613353 18051789 43840059 102293471 306880413