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51205314 = 2323537001
BaseRepresentation
bin1100001101010…
…1010011000010
310120100111111010
43003111103002
5101102032224
65025301350
71161144426
oct303252302
9116314433
1051205314
11269a4346
1215194856
13a7bac04
146b2cb86
154766e29
hex30d54c2

51205314 has 32 divisors (see below), whose sum is σ = 108895104. Its totient is φ = 16016000.

The previous prime is 51205289. The next prime is 51205321. The reversal of 51205314 is 41350215.

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 15 ways as a sum of consecutive naturals, for example, 3814 + ... + 10814.

It is an arithmetic number, because the mean of its divisors is an integer number (3402972).

Almost surely, 251205314 is an apocalyptic number.

51205314 is an abundant number, since it is smaller than the sum of its proper divisors (57689790).

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

51205314 is a wasteful number, since it uses less digits than its factorization.

51205314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7082.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 51205314 is about 7155.7888454034. The cubic root of 51205314 is about 371.3399528087.

Adding to 51205314 its reverse (41350215), we get a palindrome (92555529).

The spelling of 51205314 in words is "fifty-one million, two hundred five thousand, three hundred fourteen".

Divisors: 1 2 3 6 23 46 53 69 106 138 159 318 1219 2438 3657 7001 7314 14002 21003 42006 161023 322046 371053 483069 742106 966138 1113159 2226318 8534219 17068438 25602657 51205314