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1143107 = 7732237
BaseRepresentation
bin100010111000101000011
32011002001022
410113011003
5243034412
640300055
712500450
oct4270503
92132038
101143107
11710919
1247162b
133103c4
1421a827
15178a72
hex117143

1143107 has 8 divisors (see below), whose sum is σ = 1324896. Its totient is φ = 965952.

The previous prime is 1143101. The next prime is 1143113. The reversal of 1143107 is 7013411.

It is an interprime number because it is at equal distance from previous prime (1143101) and next prime (1143113).

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 1143107 - 24 = 1143091 is a prime.

It is a super-2 number, since 2×11431072 = 2613387226898, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143101) 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, 608 + ... + 1629.

It is an arithmetic number, because the mean of its divisors is an integer number (165612).

21143107 is an apocalyptic number.

1143107 is a deficient number, since it is larger than the sum of its proper divisors (181789).

1143107 is an equidigital number, since it uses as much as digits as its factorization.

1143107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2317.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 1143107 is about 1069.1618212413. The cubic root of 1143107 is about 104.5592103570.

Adding to 1143107 its reverse (7013411), we get a palindrome (8156518).

The spelling of 1143107 in words is "one million, one hundred forty-three thousand, one hundred seven".

Divisors: 1 7 73 511 2237 15659 163301 1143107