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51073374 = 23112103683
BaseRepresentation
bin1100001011010…
…1000101011110
310120002210111110
43002311011132
5101033321444
65022402450
71160054652
oct302650536
9116083443
1051073374
1126914200
1215130426
13a772b41
146ad6a62
15473ccb9
hex30b515e

51073374 has 48 divisors (see below), whose sum is σ = 113533056. Its totient is φ = 15304080.

The previous prime is 51073369. The next prime is 51073381. The reversal of 51073374 is 47337015.

51073374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 74437 + ... + 75119.

It is an arithmetic number, because the mean of its divisors is an integer number (2365272).

Almost surely, 251073374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51073374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56766528).

51073374 is an abundant number, since it is smaller than the sum of its proper divisors (62459682).

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

51073374 is a wasteful number, since it uses less digits than its factorization.

51073374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 51073374 is about 7146.5637896824. The cubic root of 51073374 is about 371.0207363634.

The spelling of 51073374 in words is "fifty-one million, seventy-three thousand, three hundred seventy-four".

Divisors: 1 2 3 6 11 22 33 66 103 121 206 242 309 363 618 683 726 1133 1366 2049 2266 3399 4098 6798 7513 12463 15026 22539 24926 37389 45078 70349 74778 82643 140698 165286 211047 247929 422094 495858 773839 1547678 2321517 4643034 8512229 17024458 25536687 51073374