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57271104 = 26331123131
BaseRepresentation
bin1101101001111…
…0001101000000
310222202200012000
43122132031000
5104130133404
65403304000
71263540102
oct332361500
9128680160
1057271104
112a3676a0
121721b000
13bb32b37
14786b572
155064339
hex369e340

57271104 has 224 divisors, whose sum is σ = 193121280. Its totient is φ = 16473600.

The previous prime is 57271099. The next prime is 57271117. The reversal of 57271104 is 40117275.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 437119 + ... + 437249.

Almost surely, 257271104 is an apocalyptic number.

57271104 is a gapful number since it is divisible by the number (54) 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 57271104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96560640).

57271104 is an abundant number, since it is smaller than the sum of its proper divisors (135850176).

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

57271104 is a wasteful number, since it uses less digits than its factorization.

57271104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 57271104 is about 7567.7674382872. The cubic root of 57271104 is about 385.4592910729.

Adding to 57271104 its reverse (40117275), we get a palindrome (97388379).

It can be divided in two parts, 57271 and 104, that added together give a palindrome (57375).

The spelling of 57271104 in words is "fifty-seven million, two hundred seventy-one thousand, one hundred four".