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303014421 = 3243782983
BaseRepresentation
bin10010000011111…
…010001000010101
3210010011201122100
4102003322020111
51110032430141
650022352313
710336402653
oct2203721025
9703151570
10303014421
11146053246
128558b699
134aa14b98
142c359dd3
151b9070b6
hex120fa215

303014421 has 12 divisors (see below), whose sum is σ = 447866848. Its totient is φ = 197311464.

The previous prime is 303014419. The next prime is 303014449. The reversal of 303014421 is 124410303.

It is not a de Polignac number, because 303014421 - 21 = 303014419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 303014394 and 303014403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303014461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391105 + ... + 391878.

Almost surely, 2303014421 is an apocalyptic number.

It is an amenable number.

303014421 is a deficient number, since it is larger than the sum of its proper divisors (144852427).

303014421 is a wasteful number, since it uses less digits than its factorization.

303014421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783032 (or 783029 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 303014421 is about 17407.3094130023. The cubic root of 303014421 is about 671.6676516134.

Adding to 303014421 its reverse (124410303), we get a palindrome (427424724).

The spelling of 303014421 in words is "three hundred three million, fourteen thousand, four hundred twenty-one".

Divisors: 1 3 9 43 129 387 782983 2348949 7046847 33668269 101004807 303014421