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1042923 = 3749663
BaseRepresentation
bin11111110100111101011
31221222121210
43332213223
5231333143
634204203
711602410
oct3764753
91858553
101042923
11652622
12423663
132a691b
141d2107
15159033
hexfe9eb

1042923 has 8 divisors (see below), whose sum is σ = 1589248. Its totient is φ = 595944.

The previous prime is 1042903. The next prime is 1042931. The reversal of 1042923 is 3292401.

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

It is not a de Polignac number, because 1042923 - 212 = 1038827 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 49663 = 1042923 / (1 + 0 + 4 + 2 + 9 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1042923.

It is not an unprimeable number, because it can be changed into a prime (1042903) 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, 24811 + ... + 24852.

It is an arithmetic number, because the mean of its divisors is an integer number (198656).

21042923 is an apocalyptic number.

1042923 is a deficient number, since it is larger than the sum of its proper divisors (546325).

1042923 is an equidigital number, since it uses as much as digits as its factorization.

1042923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49673.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1042923 is about 1021.2360158161. The cubic root of 1042923 is about 101.4107703431.

The spelling of 1042923 in words is "one million, forty-two thousand, nine hundred twenty-three".

Divisors: 1 3 7 21 49663 148989 347641 1042923