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57001422 = 2326893533
BaseRepresentation
bin1101100101110…
…0010111001110
310222020222020210
43121130113032
5104043021142
65353423250
71261334622
oct331342716
9128228223
1057001422
112a1a3015
121710ab26
13ba6a16a
1477db182
15500e49c
hex365c5ce

57001422 has 16 divisors (see below), whose sum is σ = 114077520. Its totient is φ = 18988032.

The previous prime is 57001403. The next prime is 57001433. The reversal of 57001422 is 22410075.

It is a super-2 number, since 2×570014222 = 6498324220044168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14368 + ... + 17900.

It is an arithmetic number, because the mean of its divisors is an integer number (7129845).

Almost surely, 257001422 is an apocalyptic number.

57001422 is an abundant number, since it is smaller than the sum of its proper divisors (57076098).

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

57001422 is a wasteful number, since it uses less digits than its factorization.

57001422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6227.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 57001422 is about 7549.9286089340. The cubic root of 57001422 is about 384.8533134336.

Adding to 57001422 its reverse (22410075), we get a palindrome (79411497).

The spelling of 57001422 in words is "fifty-seven million, one thousand, four hundred twenty-two".

Divisors: 1 2 3 6 2689 3533 5378 7066 8067 10599 16134 21198 9500237 19000474 28500711 57001422