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1047042 = 23258169
BaseRepresentation
bin11111111101000000010
31222012021100
43333220002
5232001132
634235230
711620413
oct3775002
91865240
101047042
11655727
12425b16
132a8769
141d380a
1515a37c
hexffa02

1047042 has 12 divisors (see below), whose sum is σ = 2268630. Its totient is φ = 349008.

The previous prime is 1047041. The next prime is 1047043. The reversal of 1047042 is 2407401.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1047041) and next prime (1047043).

It can be written as a sum of positive squares in only one way, i.e., 962361 + 84681 = 981^2 + 291^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 58169 = 1047042 / (1 + 0 + 4 + 7 + 0 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (1047041) 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 5 ways as a sum of consecutive naturals, for example, 29067 + ... + 29102.

21047042 is an apocalyptic number.

1047042 is an abundant number, since it is smaller than the sum of its proper divisors (1221588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1047042 is a wasteful number, since it uses less digits than its factorization.

1047042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58177 (or 58174 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 1047042 is about 1023.2507024185. The cubic root of 1047042 is about 101.5441014562.

The spelling of 1047042 in words is "one million, forty-seven thousand, forty-two".

Divisors: 1 2 3 6 9 18 58169 116338 174507 349014 523521 1047042