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57604421 = 733724419
BaseRepresentation
bin1101101110111…
…1100101000101
311000101121102002
43123233211011
5104221320141
65414355045
71266425630
oct333574505
9130347362
1057604421
112a575066
121735ba85
13bc1b774
147916c17
1550cce9b
hex36ef945

57604421 has 8 divisors (see below), whose sum is σ = 66031680. Its totient is φ = 49226688.

The previous prime is 57604403. The next prime is 57604423. The reversal of 57604421 is 12440675.

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

It is not a de Polignac number, because 57604421 - 210 = 57603397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57604423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9851 + ... + 14568.

It is an arithmetic number, because the mean of its divisors is an integer number (8253960).

Almost surely, 257604421 is an apocalyptic number.

It is an amenable number.

57604421 is a deficient number, since it is larger than the sum of its proper divisors (8427259).

57604421 is a wasteful number, since it uses less digits than its factorization.

57604421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24763.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 57604421 is about 7589.7576377642. The cubic root of 57604421 is about 386.2056342112.

The spelling of 57604421 in words is "fifty-seven million, six hundred four thousand, four hundred twenty-one".

Divisors: 1 7 337 2359 24419 170933 8229203 57604421