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51412080 = 24351712601
BaseRepresentation
bin1100010000011…
…1110001110000
310120202000010010
43010013301300
5101130141310
65033534520
71162665306
oct304076160
9116660103
1051412080
1127025725
1215274440
13a861065
146b84276
1547a8320
hex3107c70

51412080 has 80 divisors (see below), whose sum is σ = 168765984. Its totient is φ = 12902400.

The previous prime is 51412051. The next prime is 51412091. The reversal of 51412080 is 8021415.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 2221 + ... + 10380.

Almost surely, 251412080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51412080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84382992).

51412080 is an abundant number, since it is smaller than the sum of its proper divisors (117353904).

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

51412080 is a wasteful number, since it uses less digits than its factorization.

51412080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12634 (or 12628 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 51412080 is about 7170.2217538930. The cubic root of 51412080 is about 371.8391025773.

Adding to 51412080 its reverse (8021415), we get a palindrome (59433495).

The spelling of 51412080 in words is "fifty-one million, four hundred twelve thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 34 40 48 51 60 68 80 85 102 120 136 170 204 240 255 272 340 408 510 680 816 1020 1360 2040 4080 12601 25202 37803 50404 63005 75606 100808 126010 151212 189015 201616 214217 252020 302424 378030 428434 504040 604848 642651 756060 856868 1008080 1071085 1285302 1512120 1713736 2142170 2570604 3024240 3213255 3427472 4284340 5141208 6426510 8568680 10282416 12853020 17137360 25706040 51412080