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51340300 = 22521124243
BaseRepresentation
bin1100001111011…
…0010000001100
310120121100122121
43003312100030
5101120342200
65032222324
71162246114
oct303662014
9116540577
1051340300
1126a86800
121523a9a4
13a83749b
146b66044
154791e1a
hex30f640c

51340300 has 54 divisors (see below), whose sum is σ = 122486084. Its totient is φ = 18664800.

The previous prime is 51340259. The next prime is 51340319. The reversal of 51340300 is 304315.

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 17 ways as a sum of consecutive naturals, for example, 9979 + ... + 14221.

Almost surely, 251340300 is an apocalyptic number.

51340300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51340300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61243042).

51340300 is an abundant number, since it is smaller than the sum of its proper divisors (71145784).

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

51340300 is a wasteful number, since it uses less digits than its factorization.

51340300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4279 (or 4261 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 51340300 is about 7165.2145815740. The cubic root of 51340300 is about 371.6659717880.

Adding to 51340300 its reverse (304315), we get a palindrome (51644615).

The spelling of 51340300 in words is "fifty-one million, three hundred forty thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 121 220 242 275 484 550 605 1100 1210 2420 3025 4243 6050 8486 12100 16972 21215 42430 46673 84860 93346 106075 186692 212150 233365 424300 466730 513403 933460 1026806 1166825 2053612 2333650 2567015 4667300 5134030 10268060 12835075 25670150 51340300