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51420358 = 2116013889
BaseRepresentation
bin1100010000100…
…1110011000110
310120202102110201
43010021303012
5101130422413
65034041114
71163031403
oct304116306
9116672421
1051420358
1127030970
121527919a
13a864a62
146b872aa
1547aa9dd
hex3109cc6

51420358 has 16 divisors (see below), whose sum is σ = 84304080. Its totient is φ = 23328000.

The previous prime is 51420337. The next prime is 51420361. The reversal of 51420358 is 85302415.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11278 + ... + 15166.

It is an arithmetic number, because the mean of its divisors is an integer number (5269005).

Almost surely, 251420358 is an apocalyptic number.

51420358 is a deficient number, since it is larger than the sum of its proper divisors (32883722).

51420358 is a wasteful number, since it uses less digits than its factorization.

51420358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4503.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 51420358 is about 7170.7989791933. The cubic root of 51420358 is about 371.8590584509.

The spelling of 51420358 in words is "fifty-one million, four hundred twenty thousand, three hundred fifty-eight".

Divisors: 1 2 11 22 601 1202 3889 6611 7778 13222 42779 85558 2337289 4674578 25710179 51420358