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1042993 = 7374027
BaseRepresentation
bin11111110101000110001
31221222201101
43332220301
5231333433
634204401
711602540
oct3765061
91858641
101042993
11652686
12423701
132a6973
141d2157
1515907d
hexfea31

1042993 has 8 divisors (see below), whose sum is σ = 1224512. Its totient is φ = 869616.

The previous prime is 1042961. The next prime is 1042997. The reversal of 1042993 is 3992401.

It is a happy number.

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 1042993 - 25 = 1042961 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1042997) 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, 1755 + ... + 2272.

It is an arithmetic number, because the mean of its divisors is an integer number (153064).

21042993 is an apocalyptic number.

It is an amenable number.

1042993 is a deficient number, since it is larger than the sum of its proper divisors (181519).

1042993 is an equidigital number, since it uses as much as digits as its factorization.

1042993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1042993 is about 1021.2702874362. The cubic root of 1042993 is about 101.4130391572.

The spelling of 1042993 in words is "one million, forty-two thousand, nine hundred ninety-three".

Divisors: 1 7 37 259 4027 28189 148999 1042993