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57490798 = 279736067
BaseRepresentation
bin1101101101001…
…1110101101110
311000011211112211
43123103311232
5104204201143
65412121034
71265443441
oct333236556
9130154484
1057490798
112a4a7762
121730617a
13bbabb31
1478c7658
1550a949d
hex36d3d6e

57490798 has 8 divisors (see below), whose sum is σ = 86346792. Its totient is φ = 28708536.

The previous prime is 57490793. The next prime is 57490799. The reversal of 57490798 is 89709475.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57490793) by changing a digit.

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, 16440 + ... + 19627.

It is an arithmetic number, because the mean of its divisors is an integer number (10793349).

Almost surely, 257490798 is an apocalyptic number.

57490798 is a deficient number, since it is larger than the sum of its proper divisors (28855994).

57490798 is a wasteful number, since it uses less digits than its factorization.

57490798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36866.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 57490798 is about 7582.2686578622. The cubic root of 57490798 is about 385.9515407142.

The spelling of 57490798 in words is "fifty-seven million, four hundred ninety thousand, seven hundred ninety-eight".

Divisors: 1 2 797 1594 36067 72134 28745399 57490798