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1013457 = 3359941
BaseRepresentation
bin11110111011011010001
31220111012110
43313123101
5224412312
633415533
711420454
oct3673321
91814173
101013457
11632475
1240a5a9
132963a3
141c549b
1515043c
hexf76d1

1013457 has 8 divisors (see below), whose sum is σ = 1356480. Its totient is φ = 673040.

The previous prime is 1013431. The next prime is 1013471. The reversal of 1013457 is 7543101.

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 1013457 - 27 = 1013329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1013477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607 + ... + 1547.

It is an arithmetic number, because the mean of its divisors is an integer number (169560).

21013457 is an apocalyptic number.

It is an amenable number.

1013457 is a deficient number, since it is larger than the sum of its proper divisors (343023).

1013457 is an equidigital number, since it uses as much as digits as its factorization.

1013457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 1013457 is about 1006.7060146835. The cubic root of 1013457 is about 100.4465694553.

Adding to 1013457 its reverse (7543101), we get a palindrome (8556558).

The spelling of 1013457 in words is "one million, thirteen thousand, four hundred fifty-seven".

Divisors: 1 3 359 941 1077 2823 337819 1013457