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302121412 = 22315345971
BaseRepresentation
bin10010000000100…
…000000111000100
3210001111100122221
4102000200013010
51104320341122
645551302124
710325663305
oct2200400704
9701440587
10302121412
111455a331a
128521a944
134a791588
142c1a67ac
151b7cc6c7
hex120201c4

302121412 has 24 divisors (see below), whose sum is σ = 556077312. Its totient is φ = 143426400.

The previous prime is 302121409. The next prime is 302121419. The reversal of 302121412 is 214121203.

It is not an unprimeable number, because it can be changed into a prime (302121419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16414 + ... + 29557.

It is an arithmetic number, because the mean of its divisors is an integer number (23169888).

Almost surely, 2302121412 is an apocalyptic number.

It is an amenable number.

302121412 is a deficient number, since it is larger than the sum of its proper divisors (253955900).

302121412 is a wasteful number, since it uses less digits than its factorization.

302121412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46059 (or 46057 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 302121412 is about 17381.6400837205. The cubic root of 302121412 is about 671.0071820027.

Adding to 302121412 its reverse (214121203), we get a palindrome (516242615).

The spelling of 302121412 in words is "three hundred two million, one hundred twenty-one thousand, four hundred twelve".

Divisors: 1 2 4 31 53 62 106 124 212 1643 3286 6572 45971 91942 183884 1425101 2436463 2850202 4872926 5700404 9745852 75530353 151060706 302121412