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1140207 = 31779283
BaseRepresentation
bin100010110010111101111
32010221001220
410112113233
5242441312
640234423
712456135
oct4262757
92127056
101140207
11709722
1246ba13
1330bca3
14219755
15177c8c
hex1165ef

1140207 has 16 divisors (see below), whose sum is σ = 1635840. Its totient is φ = 703872.

The previous prime is 1140203. The next prime is 1140233. The reversal of 1140207 is 7020411.

It is not a de Polignac number, because 1140207 - 22 = 1140203 is a prime.

1140207 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3888 + ... + 4170.

It is an arithmetic number, because the mean of its divisors is an integer number (102240).

21140207 is an apocalyptic number.

1140207 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1140207 is a deficient number, since it is larger than the sum of its proper divisors (495633).

1140207 is a wasteful number, since it uses less digits than its factorization.

1140207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 1140207 is about 1067.8047574346. The cubic root of 1140207 is about 104.4707151444.

Adding to 1140207 its reverse (7020411), we get a palindrome (8160618).

The spelling of 1140207 in words is "one million, one hundred forty thousand, two hundred seven".

Divisors: 1 3 17 51 79 237 283 849 1343 4029 4811 14433 22357 67071 380069 1140207