Search a number
-
+
51094386 = 232731103127
BaseRepresentation
bin1100001011101…
…0001101110010
310120010212022200
43002322031302
5101040010021
65023044030
71160203140
oct302721562
9116125280
1051094386
1126928a72
1215140616
13a77c585
146b00590
154744126
hex30ba372

51094386 has 96 divisors (see below), whose sum is σ = 132907008. Its totient is φ = 13880160.

The previous prime is 51094361. The next prime is 51094391. The reversal of 51094386 is 68349015.

51094386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×510943862 = 5221272561433992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51094386.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 402255 + ... + 402381.

It is an arithmetic number, because the mean of its divisors is an integer number (1384448).

Almost surely, 251094386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51094386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66453504).

51094386 is an abundant number, since it is smaller than the sum of its proper divisors (81812622).

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

51094386 is a wasteful number, since it uses less digits than its factorization.

51094386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 51094386 is about 7148.0337156452. The cubic root of 51094386 is about 371.0716097002.

The spelling of 51094386 in words is "fifty-one million, ninety-four thousand, three hundred eighty-six".

Divisors: 1 2 3 6 7 9 14 18 21 31 42 62 63 93 103 126 127 186 206 217 254 279 309 381 434 558 618 651 721 762 889 927 1143 1302 1442 1778 1854 1953 2163 2286 2667 3193 3906 3937 4326 5334 6386 6489 7874 8001 9579 11811 12978 13081 16002 19158 22351 23622 26162 27559 28737 35433 39243 44702 55118 57474 67053 70866 78486 82677 91567 117729 134106 165354 183134 201159 235458 248031 274701 402318 405511 496062 549402 811022 824103 1216533 1648206 2433066 2838577 3649599 5677154 7299198 8515731 17031462 25547193 51094386