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1140830 = 25114083
BaseRepresentation
bin100010110100001011110
32010221220222
410112201132
5243001310
640241342
712461015
oct4264136
92127828
101140830
1170a139
12470252
1330c362
14219a7c
15178055
hex11685e

1140830 has 8 divisors (see below), whose sum is σ = 2053512. Its totient is φ = 456328.

The previous prime is 1140803. The next prime is 1140847. The reversal of 1140830 is 380411.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1140799 and 1140808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57032 + ... + 57051.

It is an arithmetic number, because the mean of its divisors is an integer number (256689).

21140830 is an apocalyptic number.

1140830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1140830 is a deficient number, since it is larger than the sum of its proper divisors (912682).

1140830 is a wasteful number, since it uses less digits than its factorization.

1140830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114090.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1140830 is about 1068.0964375935. The cubic root of 1140830 is about 104.4897390015.

The spelling of 1140830 in words is "one million, one hundred forty thousand, eight hundred thirty".

Divisors: 1 2 5 10 114083 228166 570415 1140830