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56151238 = 211131711549
BaseRepresentation
bin1101011000110…
…0110011000110
310220122210000111
43112030303012
5103333314423
65323303234
71251164143
oct326146306
9126583014
1056151238
1129772290
121697ab1a
13b8301b0
1476593ca
154de260d
hex358ccc6

56151238 has 32 divisors (see below), whose sum is σ = 104781600. Its totient is φ = 22172160.

The previous prime is 56151223. The next prime is 56151239. The reversal of 56151238 is 83215165.

56151238 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 (56151239) 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 15 ways as a sum of consecutive naturals, for example, 913 + ... + 10636.

It is an arithmetic number, because the mean of its divisors is an integer number (3274425).

Almost surely, 256151238 is an apocalyptic number.

56151238 is a deficient number, since it is larger than the sum of its proper divisors (48630362).

56151238 is a wasteful number, since it uses less digits than its factorization.

56151238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11592.

The product of its digits is 7200, while the sum is 31.

The square root of 56151238 is about 7493.4129740726. The cubic root of 56151238 is about 382.9303411185.

The spelling of 56151238 in words is "fifty-six million, one hundred fifty-one thousand, two hundred thirty-eight".

Divisors: 1 2 11 13 17 22 26 34 143 187 221 286 374 442 2431 4862 11549 23098 127039 150137 196333 254078 300274 392666 1651507 2159663 2552329 3303014 4319326 5104658 28075619 56151238