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51342078 = 238557013
BaseRepresentation
bin1100001111011…
…0101011111110
310120121110002110
43003312223332
5101120421303
65032234450
71162254234
oct303665376
9116543073
1051342078
1126a88077
121523ba26
13a838238
146b66954
154792703
hex30f6afe

51342078 has 8 divisors (see below), whose sum is σ = 102684168. Its totient is φ = 17114024.

The previous prime is 51342077. The next prime is 51342079. The reversal of 51342078 is 87024315.

It is an interprime number because it is at equal distance from previous prime (51342077) and next prime (51342079).

It is a sphenic number, since it is the product of 3 distinct primes.

51342078 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51342073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4278501 + ... + 4278512.

It is an arithmetic number, because the mean of its divisors is an integer number (12835521).

Almost surely, 251342078 is an apocalyptic number.

51342078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51342078 is a wasteful number, since it uses less digits than its factorization.

51342078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8557018.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 51342078 is about 7165.3386521504. The cubic root of 51342078 is about 371.6702622088.

The spelling of 51342078 in words is "fifty-one million, three hundred forty-two thousand, seventy-eight".

Divisors: 1 2 3 6 8557013 17114026 25671039 51342078