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1457057 = 71631277
BaseRepresentation
bin101100011101110100001
32202000201002
411203232201
5333111212
651121345
715245660
oct5435641
92660632
101457057
11905788
125a3255
133c0284
1429cdd7
151dbac2
hex163ba1

1457057 has 8 divisors (see below), whose sum is σ = 1676736. Its totient is φ = 1240272.

The previous prime is 1457051. The next prime is 1457059. The reversal of 1457057 is 7507541.

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

It is a cyclic number.

It is not a de Polignac number, because 1457057 - 212 = 1452961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1457051) 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 7 ways as a sum of consecutive naturals, for example, 503 + ... + 1779.

It is an arithmetic number, because the mean of its divisors is an integer number (209592).

21457057 is an apocalyptic number.

It is an amenable number.

1457057 is a deficient number, since it is larger than the sum of its proper divisors (219679).

1457057 is a wasteful number, since it uses less digits than its factorization.

1457057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 1457057 is about 1207.0861609678. The cubic root of 1457057 is about 113.3684426019.

The spelling of 1457057 in words is "one million, four hundred fifty-seven thousand, fifty-seven".

Divisors: 1 7 163 1141 1277 8939 208151 1457057