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1042287 = 317107191
BaseRepresentation
bin11111110011101101111
31221221202020
43332131233
5231323122
634201223
711600511
oct3763557
91857666
101042287
116520a4
12423213
132a654c
141d1bb1
15158c5c
hexfe76f

1042287 has 16 divisors (see below), whose sum is σ = 1492992. Its totient is φ = 644480.

The previous prime is 1042273. The next prime is 1042309. The reversal of 1042287 is 7822401.

It is a cyclic number.

It is not a de Polignac number, because 1042287 - 24 = 1042271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5362 + ... + 5552.

It is an arithmetic number, because the mean of its divisors is an integer number (93312).

21042287 is an apocalyptic number.

1042287 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1042287 is a deficient number, since it is larger than the sum of its proper divisors (450705).

1042287 is a wasteful number, since it uses less digits than its factorization.

1042287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1042287 is about 1020.9245809559. The cubic root of 1042287 is about 101.3901518938.

Adding to 1042287 its reverse (7822401), we get a palindrome (8864688).

The spelling of 1042287 in words is "one million, forty-two thousand, two hundred eighty-seven".

Divisors: 1 3 17 51 107 191 321 573 1819 3247 5457 9741 20437 61311 347429 1042287