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51400414 = 2131976939
BaseRepresentation
bin1100010000010…
…0111011011110
310120201102010001
43010010323132
5101124303124
65033404514
71162616302
oct304047336
9116642101
1051400414
112701798a
121526973a
13a858960
146b7dd02
1547a4b44
hex3104ede

51400414 has 8 divisors (see below), whose sum is σ = 83031480. Its totient is φ = 23723256.

The previous prime is 51400411. The next prime is 51400421. The reversal of 51400414 is 41400415.

51400414 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 junction number, because it is equal to n+sod(n) for n = 51400391 and 51400400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51400411) 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, 988444 + ... + 988495.

It is an arithmetic number, because the mean of its divisors is an integer number (10378935).

Almost surely, 251400414 is an apocalyptic number.

51400414 is a deficient number, since it is larger than the sum of its proper divisors (31631066).

51400414 is a wasteful number, since it uses less digits than its factorization.

51400414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976954.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 51400414 is about 7169.4082043081. The cubic root of 51400414 is about 371.8109755748.

Adding to 51400414 its reverse (41400415), we get a palindrome (92800829).

Subtracting from 51400414 its reverse (41400415), we obtain a palindrome (9999999).

The spelling of 51400414 in words is "fifty-one million, four hundred thousand, four hundred fourteen".

Divisors: 1 2 13 26 1976939 3953878 25700207 51400414