Search a number
-
+
51704160 = 2535107717
BaseRepresentation
bin1100010100111…
…1000101100000
310121021211202220
43011033011200
5101214013120
65044111040
71165322664
oct305170540
9117254686
1051704160
1127205112
1215395480
13a933ca1
146c1c8a4
154814b40
hex314f160

51704160 has 48 divisors (see below), whose sum is σ = 162869616. Its totient is φ = 13787648.

The previous prime is 51704153. The next prime is 51704171. The reversal of 51704160 is 6140715.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×517041602 = 5346640322611200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 51704160.

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 7 ways as a sum of consecutive naturals, for example, 53379 + ... + 54338.

It is an arithmetic number, because the mean of its divisors is an integer number (3393117).

Almost surely, 251704160 is an apocalyptic number.

It is an amenable number.

51704160 is an abundant number, since it is smaller than the sum of its proper divisors (111165456).

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

51704160 is a wasteful number, since it uses less digits than its factorization.

51704160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107735 (or 107727 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 51704160 is about 7190.5604788500. The cubic root of 51704160 is about 372.5419318290.

Adding to 51704160 its reverse (6140715), we get a palindrome (57844875).

The spelling of 51704160 in words is "fifty-one million, seven hundred four thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 107717 215434 323151 430868 538585 646302 861736 1077170 1292604 1615755 1723472 2154340 2585208 3231510 3446944 4308680 5170416 6463020 8617360 10340832 12926040 17234720 25852080 51704160