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51430348 = 2213793851
BaseRepresentation
bin1100010000110…
…0001111001100
310120202221011201
43010030033030
5101131232343
65034155244
71163102464
oct304141714
9116687151
1051430348
1127038422
1215282b24
13a869478
146b8aba4
1547ad94d
hex310c3cc

51430348 has 12 divisors (see below), whose sum is σ = 90661032. Its totient is φ = 25527200.

The previous prime is 51430319. The next prime is 51430349. The reversal of 51430348 is 84303415.

It is a super-2 number, since 2×514303482 = 5290161390802208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51430349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46378 + ... + 47473.

It is an arithmetic number, because the mean of its divisors is an integer number (7555086).

Almost surely, 251430348 is an apocalyptic number.

It is an amenable number.

51430348 is a deficient number, since it is larger than the sum of its proper divisors (39230684).

51430348 is a wasteful number, since it uses less digits than its factorization.

51430348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93992 (or 93990 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 51430348 is about 7171.4955204615. The cubic root of 51430348 is about 371.8831386115.

The spelling of 51430348 in words is "fifty-one million, four hundred thirty thousand, three hundred forty-eight".

Divisors: 1 2 4 137 274 548 93851 187702 375404 12857587 25715174 51430348