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302442345 = 3256720941
BaseRepresentation
bin10010000001101…
…110011101101001
3210002002122220100
4102001232131221
51104411123340
650002220013
710331501052
oct2201563551
9702078810
10302442345
111457a2457
1285354609
134a87468a
142c24b729
151b842830
hex1206e769

302442345 has 12 divisors (see below), whose sum is σ = 524233476. Its totient is φ = 161302560.

The previous prime is 302442337. The next prime is 302442419. The reversal of 302442345 is 543244203.

It can be written as a sum of positive squares in 2 ways, for example, as 195692121 + 106750224 = 13989^2 + 10332^2 .

It is not a de Polignac number, because 302442345 - 23 = 302442337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3360426 + ... + 3360515.

It is an arithmetic number, because the mean of its divisors is an integer number (43686123).

Almost surely, 2302442345 is an apocalyptic number.

It is an amenable number.

302442345 is a deficient number, since it is larger than the sum of its proper divisors (221791131).

302442345 is a wasteful number, since it uses less digits than its factorization.

302442345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6720952 (or 6720949 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 302442345 is about 17390.8695872288. The cubic root of 302442345 is about 671.2446937358.

Adding to 302442345 its reverse (543244203), we get a palindrome (845686548).

It can be divided in two parts, 3024 and 42345, that added together give a square (45369 = 2132).

The spelling of 302442345 in words is "three hundred two million, four hundred forty-two thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 45 6720941 20162823 33604705 60488469 100814115 302442345