Search a number
-
+
51482232 = 2332715031
BaseRepresentation
bin1100010001100…
…0111001111000
310120212120100100
43010120321320
5101134412412
65035235400
71163406654
oct304307170
9116776310
1051482232
11270733aa
12152a8b60
13a886c79
146ba1a64
1547bdedc
hex3118e78

51482232 has 24 divisors (see below), whose sum is σ = 139431240. Its totient is φ = 17160720.

The previous prime is 51482219. The next prime is 51482237. The reversal of 51482232 is 23228415.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 51482196 and 51482205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51482237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 357444 + ... + 357587.

It is an arithmetic number, because the mean of its divisors is an integer number (5809635).

Almost surely, 251482232 is an apocalyptic number.

It is an amenable number.

51482232 is an abundant number, since it is smaller than the sum of its proper divisors (87949008).

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

51482232 is a wasteful number, since it uses less digits than its factorization.

51482232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715043 (or 715036 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 51482232 is about 7175.1119851888. Note that the first 3 decimals coincide. The cubic root of 51482232 is about 372.0081510528.

The spelling of 51482232 in words is "fifty-one million, four hundred eighty-two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 715031 1430062 2145093 2860124 4290186 5720248 6435279 8580372 12870558 17160744 25741116 51482232