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51100192 = 2511132859
BaseRepresentation
bin1100001011101…
…1101000100000
310120011011021201
43002323220200
5101040201232
65023130544
71160226103
oct302735040
9116134251
1051100192
1126932370
1215143a54
13a782100
146b0273a
154745be7
hex30bba20

51100192 has 72 divisors (see below), whose sum is σ = 118979280. Its totient is φ = 21415680.

The previous prime is 51100169. The next prime is 51100213. The reversal of 51100192 is 29100115.

It is a super-2 number, since 2×511001922 = 5222459244873728, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 59059 + ... + 59917.

It is an arithmetic number, because the mean of its divisors is an integer number (1652490).

Almost surely, 251100192 is an apocalyptic number.

51100192 is a gapful number since it is divisible by the number (52) 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 51100192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59489640).

51100192 is an abundant number, since it is smaller than the sum of its proper divisors (67879088).

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

51100192 is a wasteful number, since it uses less digits than its factorization.

51100192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906 (or 885 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 51100192 is about 7148.4398297810. The cubic root of 51100192 is about 371.0856644743.

The spelling of 51100192 in words is "fifty-one million, one hundred thousand, one hundred ninety-two".

Divisors: 1 2 4 8 11 13 16 22 26 32 44 52 88 104 143 169 176 208 286 338 352 416 572 676 859 1144 1352 1718 1859 2288 2704 3436 3718 4576 5408 6872 7436 9449 11167 13744 14872 18898 22334 27488 29744 37796 44668 59488 75592 89336 122837 145171 151184 178672 245674 290342 302368 357344 491348 580684 982696 1161368 1596881 1965392 2322736 3193762 3930784 4645472 6387524 12775048 25550096 51100192