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304740317 = 71723111341
BaseRepresentation
bin10010001010011…
…111011111011101
3210020102102010102
4102022133133131
51111003142232
650123350445
710360151510
oct2212373735
9706372112
10304740317
11147021a02
1286082425
134b19a61b
142c688d77
151bb48662
hex1229f7dd

304740317 has 16 divisors (see below), whose sum is σ = 384797952. Its totient is φ = 235150080.

The previous prime is 304740287. The next prime is 304740329. The reversal of 304740317 is 713047403.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-304740317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 304740317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304740377) 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, 52934 + ... + 58407.

It is an arithmetic number, because the mean of its divisors is an integer number (24049872).

Almost surely, 2304740317 is an apocalyptic number.

It is an amenable number.

304740317 is a deficient number, since it is larger than the sum of its proper divisors (80057635).

304740317 is a wasteful number, since it uses less digits than its factorization.

304740317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111388.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 304740317 is about 17456.8129107234. The cubic root of 304740317 is about 672.9404563349.

The spelling of 304740317 in words is "three hundred four million, seven hundred forty thousand, three hundred seventeen".

Divisors: 1 7 17 23 119 161 391 2737 111341 779387 1892797 2560843 13249579 17925901 43534331 304740317