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307047 = 3137873
BaseRepresentation
bin1001010111101100111
3120121012010
41022331213
534311142
610325303
72416116
oct1127547
9517163
10307047
1119a764
12129833
13a99b0
147dc7d
1560e9c
hex4af67

307047 has 8 divisors (see below), whose sum is σ = 440944. Its totient is φ = 188928.

The previous prime is 307033. The next prime is 307067. The reversal of 307047 is 740703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 307047 - 24 = 307031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 307047.

It is not an unprimeable number, because it can be changed into a prime (307067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3898 + ... + 3975.

It is an arithmetic number, because the mean of its divisors is an integer number (55118).

2307047 is an apocalyptic number.

307047 is a deficient number, since it is larger than the sum of its proper divisors (133897).

307047 is a wasteful number, since it uses less digits than its factorization.

307047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7889.

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 307047 is about 554.1182184336. The cubic root of 307047 is about 67.4634095239.

The spelling of 307047 in words is "three hundred seven thousand, forty-seven", and thus it is an iban number.

Divisors: 1 3 13 39 7873 23619 102349 307047