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57125112 = 233111511433
BaseRepresentation
bin1101100111101…
…0100011111000
310222111020220220
43121322203320
5104111000422
65400220040
71262361342
oct331724370
9128436826
1057125112
112a277a40
121716a620
13bab1555
147830292
155035e5c
hex367a8f8

57125112 has 64 divisors (see below), whose sum is σ = 156936960. Its totient is φ = 17184000.

The previous prime is 57125051. The next prime is 57125129. The reversal of 57125112 is 21152175.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39148 + ... + 40580.

It is an arithmetic number, because the mean of its divisors is an integer number (2452140).

Almost surely, 257125112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57125112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78468480).

57125112 is an abundant number, since it is smaller than the sum of its proper divisors (99811848).

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

57125112 is a wasteful number, since it uses less digits than its factorization.

57125112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604 (or 1600 counting only the distinct ones).

The product of its digits is 700, while the sum is 24.

The square root of 57125112 is about 7558.1156381733. The cubic root of 57125112 is about 385.1314826119.

Adding to 57125112 its reverse (21152175), we get a palindrome (78277287).

The spelling of 57125112 in words is "fifty-seven million, one hundred twenty-five thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 151 264 302 453 604 906 1208 1433 1661 1812 2866 3322 3624 4299 4983 5732 6644 8598 9966 11464 13288 15763 17196 19932 31526 34392 39864 47289 63052 94578 126104 189156 216383 378312 432766 649149 865532 1298298 1731064 2380213 2596596 4760426 5193192 7140639 9520852 14281278 19041704 28562556 57125112