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51144150 = 2352595779
BaseRepresentation
bin1100001100011…
…0010111010110
310120020101120210
43003012113112
5101043103100
65024110250
71160501211
oct303062726
9116211523
1051144150
11269623a2
1215165386
13a799115
146b14778
154753c50
hex30c65d6

51144150 has 48 divisors (see below), whose sum is σ = 129009600. Its totient is φ = 13404960.

The previous prime is 51144133. The next prime is 51144187. The reversal of 51144150 is 5144115.

51144150 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 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, 5961 + ... + 11739.

It is an arithmetic number, because the mean of its divisors is an integer number (2687700).

Almost surely, 251144150 is an apocalyptic number.

51144150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 51144150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64504800).

51144150 is an abundant number, since it is smaller than the sum of its proper divisors (77865450).

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

51144150 is a wasteful number, since it uses less digits than its factorization.

51144150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5853 (or 5848 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 51144150 is about 7151.5138257575. The cubic root of 51144150 is about 371.1920405159.

Adding to 51144150 its reverse (5144115), we get a palindrome (56288265).

The spelling of 51144150 in words is "fifty-one million, one hundred forty-four thousand, one hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 59 75 118 150 177 295 354 590 885 1475 1770 2950 4425 5779 8850 11558 17337 28895 34674 57790 86685 144475 173370 288950 340961 433425 681922 866850 1022883 1704805 2045766 3409610 5114415 8524025 10228830 17048050 25572075 51144150