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51983078 = 273713077
BaseRepresentation
bin1100011001001…
…1001011100110
310121211000101012
43012103023212
5101301424303
65054102222
71200564110
oct306231346
9117730335
1051983078
1127385724
12154aa972
13aa00c24
146c923b0
15486c5d8
hex31932e6

51983078 has 8 divisors (see below), whose sum is σ = 89113872. Its totient is φ = 22278456.

The previous prime is 51983077. The next prime is 51983083. The reversal of 51983078 is 87038915.

It is a happy number.

51983078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51983077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1856525 + ... + 1856552.

It is an arithmetic number, because the mean of its divisors is an integer number (11139234).

Almost surely, 251983078 is an apocalyptic number.

51983078 is a deficient number, since it is larger than the sum of its proper divisors (37130794).

51983078 is a wasteful number, since it uses less digits than its factorization.

51983078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3713086.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 51983078 is about 7209.9291258652. The cubic root of 51983078 is about 373.2106231135.

The spelling of 51983078 in words is "fifty-one million, nine hundred eighty-three thousand, seventy-eight".

Divisors: 1 2 7 14 3713077 7426154 25991539 51983078