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1049940 = 2232519307
BaseRepresentation
bin100000000010101010100
31222100020200
410000111110
5232044230
634300500
711632023
oct4002524
91870220
101049940
11657921
12427730
132a9b88
141d48ba
1515b160
hex100554

1049940 has 72 divisors (see below), whose sum is σ = 3363360. Its totient is φ = 264384.

The previous prime is 1049899. The next prime is 1049941. The reversal of 1049940 is 499401.

It is a super-2 number, since 2×10499402 = 2204748007200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3267 + ... + 3573.

21049940 is an apocalyptic number.

1049940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1049940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1681680).

1049940 is an abundant number, since it is smaller than the sum of its proper divisors (2313420).

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

1049940 is a wasteful number, since it uses less digits than its factorization.

1049940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1049940 is about 1024.6657991755. The cubic root of 1049940 is about 101.6376996515.

The spelling of 1049940 in words is "one million, forty-nine thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 19 20 30 36 38 45 57 60 76 90 95 114 171 180 190 228 285 307 342 380 570 614 684 855 921 1140 1228 1535 1710 1842 2763 3070 3420 3684 4605 5526 5833 6140 9210 11052 11666 13815 17499 18420 23332 27630 29165 34998 52497 55260 58330 69996 87495 104994 116660 174990 209988 262485 349980 524970 1049940