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57921422 = 2132227747
BaseRepresentation
bin1101110011110…
…0111110001110
311000222201020212
43130330332032
5104311441142
65425242422
71302216056
oct334747616
9130881225
1057921422
112a771249
1217493412
13bcccb40
14799a566
155141d82
hex373cf8e

57921422 has 8 divisors (see below), whose sum is σ = 93565416. Its totient is φ = 26732952.

The previous prime is 57921407. The next prime is 57921463. The reversal of 57921422 is 22412975.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×579214222 = 6709782253004168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1113848 + ... + 1113899.

It is an arithmetic number, because the mean of its divisors is an integer number (11695677).

Almost surely, 257921422 is an apocalyptic number.

57921422 is a deficient number, since it is larger than the sum of its proper divisors (35643994).

57921422 is a wasteful number, since it uses less digits than its factorization.

57921422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227762.

The product of its digits is 10080, while the sum is 32.

The square root of 57921422 is about 7610.6124589287. The cubic root of 57921422 is about 386.9127771612.

The spelling of 57921422 in words is "fifty-seven million, nine hundred twenty-one thousand, four hundred twenty-two".

Divisors: 1 2 13 26 2227747 4455494 28960711 57921422