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51946048 = 2671183127
BaseRepresentation
bin1100011000101…
…0001001000000
310121202010120201
43012022021000
5101244233143
65053214544
71200351130
oct306121100
9117663521
1051946048
112735a920
1215491454
13a9ba10b
146c82ac0
15486164d
hex318a240

51946048 has 112 divisors (see below), whose sum is σ = 131088384. Its totient is φ = 19837440.

The previous prime is 51946031. The next prime is 51946051. The reversal of 51946048 is 84064915.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 51945998 and 51946016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408961 + ... + 409087.

It is an arithmetic number, because the mean of its divisors is an integer number (1170432).

Almost surely, 251946048 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 51946048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65544192).

51946048 is an abundant number, since it is smaller than the sum of its proper divisors (79142336).

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

51946048 is a wasteful number, since it uses less digits than its factorization.

51946048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 51946048 is about 7207.3606819695. The cubic root of 51946048 is about 373.1219835488.

The spelling of 51946048 in words is "fifty-one million, nine hundred forty-six thousand, forty-eight".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 83 88 112 127 154 166 176 224 254 308 332 352 448 508 581 616 664 704 889 913 1016 1162 1232 1328 1397 1778 1826 2032 2324 2464 2656 2794 3556 3652 4064 4648 4928 5312 5588 6391 7112 7304 8128 9296 9779 10541 11176 12782 14224 14608 18592 19558 21082 22352 25564 28448 29216 37184 39116 42164 44704 51128 56896 58432 73787 78232 84328 89408 102256 115951 147574 156464 168656 204512 231902 295148 312928 337312 409024 463804 590296 625856 674624 811657 927608 1180592 1623314 1855216 2361184 3246628 3710432 4722368 6493256 7420864 12986512 25973024 51946048