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1140930 = 232571811
BaseRepresentation
bin100010110100011000010
32010222001200
410112203002
5243002210
640242030
712461220
oct4264302
92128050
101140930
1170a21a
12470316
1330c40b
14219b10
151780c0
hex1168c2

1140930 has 48 divisors (see below), whose sum is σ = 3392064. Its totient is φ = 260640.

The previous prime is 1140929. The next prime is 1140949. The reversal of 1140930 is 390411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 276 + ... + 1535.

It is an arithmetic number, because the mean of its divisors is an integer number (70668).

21140930 is an apocalyptic number.

1140930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1696032).

1140930 is an abundant number, since it is smaller than the sum of its proper divisors (2251134).

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

1140930 is a wasteful number, since it uses less digits than its factorization.

1140930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831 (or 1828 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1140930 is about 1068.1432488201. The cubic root of 1140930 is about 104.4927919450.

The spelling of 1140930 in words is "one million, one hundred forty thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 1811 3622 5433 9055 10866 12677 16299 18110 25354 27165 32598 38031 54330 63385 76062 81495 114093 126770 162990 190155 228186 380310 570465 1140930