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302440030 = 25173157389
BaseRepresentation
bin10010000001101…
…101111001011110
3210002002112201121
4102001231321132
51104411040110
650002201154
710331461234
oct2201557136
9702075647
10302440030
111457a0742
12853531ba
134a8735c9
142c24a954
151b841cda
hex1206de5e

302440030 has 32 divisors (see below), whose sum is σ = 595019520. Its totient is φ = 110184960.

The previous prime is 302440009. The next prime is 302440031. The reversal of 302440030 is 30044203.

302440030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 302439986 and 302440013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302440031) 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, 23425 + ... + 33964.

It is an arithmetic number, because the mean of its divisors is an integer number (18594360).

Almost surely, 2302440030 is an apocalyptic number.

302440030 is a deficient number, since it is larger than the sum of its proper divisors (292579490).

302440030 is a wasteful number, since it uses less digits than its factorization.

302440030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57444.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 302440030 is about 17390.8030291876. The cubic root of 302440030 is about 671.2429810839.

Adding to 302440030 its reverse (30044203), we get a palindrome (332484233).

The spelling of 302440030 in words is "three hundred two million, four hundred forty thousand, thirty".

Divisors: 1 2 5 10 17 31 34 62 85 155 170 310 527 1054 2635 5270 57389 114778 286945 573890 975613 1779059 1951226 3558118 4878065 8895295 9756130 17790590 30244003 60488006 151220015 302440030