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11457057 = 319271149
BaseRepresentation
bin101011101101…
…001000100001
3210120002010110
4223231020201
510413111212
61045321533
7166245333
oct53551041
923502113
1011457057
116515947
123a062a9
1324b1b31
141743453
151014a3c
hexaed221

11457057 has 24 divisors (see below), whose sum is σ = 16459200. Its totient is φ = 7086240.

The previous prime is 11457041. The next prime is 11457109. The reversal of 11457057 is 75075411.

It is not a de Polignac number, because 11457057 - 24 = 11457041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11457007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76819 + ... + 76967.

It is an arithmetic number, because the mean of its divisors is an integer number (685800).

Almost surely, 211457057 is an apocalyptic number.

It is an amenable number.

11457057 is a deficient number, since it is larger than the sum of its proper divisors (5002143).

11457057 is a wasteful number, since it uses less digits than its factorization.

11457057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 11457057 is about 3384.8274697538. The cubic root of 11457057 is about 225.4365647366.

The spelling of 11457057 in words is "eleven million, four hundred fifty-seven thousand, fifty-seven".

Divisors: 1 3 19 57 71 149 213 361 447 1083 1349 2831 4047 8493 10579 25631 31737 53789 76893 161367 201001 603003 3819019 11457057