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57150100 = 22527194297
BaseRepresentation
bin1101101000000…
…0101010010100
310222112112012101
43122000222110
5104112300400
65400531444
71262524240
oct332005224
9128475171
1057150100
112a294797
1217180b84
13babca37
147839420
15503d56a
hex3680a94

57150100 has 72 divisors (see below), whose sum is σ = 149226560. Its totient is φ = 18558720.

The previous prime is 57150083. The next prime is 57150103. The reversal of 57150100 is 105175.

It is a super-2 number, since 2×571501002 = 6532267860020000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57150103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11152 + ... + 15448.

Almost surely, 257150100 is an apocalyptic number.

57150100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57150100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74613280).

57150100 is an abundant number, since it is smaller than the sum of its proper divisors (92076460).

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

57150100 is a wasteful number, since it uses less digits than its factorization.

57150100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337 (or 4330 counting only the distinct ones).

The product of its (nonzero) digits is 175, while the sum is 19.

The square root of 57150100 is about 7559.7685149745. The cubic root of 57150100 is about 385.1876299132.

Adding to 57150100 its reverse (105175), we get a palindrome (57255275).

The spelling of 57150100 in words is "fifty-seven million, one hundred fifty thousand, one hundred".

Divisors: 1 2 4 5 7 10 14 19 20 25 28 35 38 50 70 76 95 100 133 140 175 190 266 350 380 475 532 665 700 950 1330 1900 2660 3325 4297 6650 8594 13300 17188 21485 30079 42970 60158 81643 85940 107425 120316 150395 163286 214850 300790 326572 408215 429700 571501 601580 751975 816430 1143002 1503950 1632860 2041075 2286004 2857505 3007900 4082150 5715010 8164300 11430020 14287525 28575050 57150100