Search a number
-
+
51655150 = 2523173259
BaseRepresentation
bin1100010100001…
…1000111101110
310121012100112201
43011003013232
5101210431100
65043052114
71165030051
oct305030756
9117170481
1051655150
1127181308
121537103a
13a9178a1
146c08a98
15480536a
hex31431ee

51655150 has 24 divisors (see below), whose sum is σ = 96411240. Its totient is φ = 20590560.

The previous prime is 51655147. The next prime is 51655157. The reversal of 51655150 is 5155615.

51655150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51655157) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 14221 + ... + 17479.

It is an arithmetic number, because the mean of its divisors is an integer number (4017135).

Almost surely, 251655150 is an apocalyptic number.

51655150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51655150 is a deficient number, since it is larger than the sum of its proper divisors (44756090).

51655150 is a wasteful number, since it uses less digits than its factorization.

51655150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3588 (or 3583 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 51655150 is about 7187.1517306928. The cubic root of 51655150 is about 372.4241846814.

The spelling of 51655150 in words is "fifty-one million, six hundred fifty-five thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 317 634 1585 3170 3259 6518 7925 15850 16295 32590 81475 162950 1033103 2066206 5165515 10331030 25827575 51655150