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307044 = 22332843
BaseRepresentation
bin1001010111101100100
3120121012000
41022331210
534311134
610325300
72416113
oct1127544
9517160
10307044
1119a761
12129830
13a99aa
147dc7a
1560e99
hex4af64

307044 has 24 divisors (see below), whose sum is σ = 796320. Its totient is φ = 102312.

The previous prime is 307033. The next prime is 307067. The reversal of 307044 is 440703.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 307044.

It is an unprimeable number.

307044 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1314 + ... + 1529.

It is an arithmetic number, because the mean of its divisors is an integer number (33180).

2307044 is an apocalyptic number.

It is an amenable number.

307044 is an abundant number, since it is smaller than the sum of its proper divisors (489276).

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

307044 is a wasteful number, since it uses less digits than its factorization.

307044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856 (or 2848 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 307044 is about 554.1155114234. The cubic root of 307044 is about 67.4631898063.

Adding to 307044 its reverse (440703), we get a palindrome (747747).

The spelling of 307044 in words is "three hundred seven thousand, forty-four", and thus it is an iban number.

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 2843 5686 8529 11372 17058 25587 34116 51174 76761 102348 153522 307044