Search a number
-
+
2044140 = 2235731157
BaseRepresentation
bin111110011000011101100
310211212000220
413303003230
51010403030
6111451340
723242410
oct7630354
93755026
102044140
11117687a
12826b50
13567567
143b2d40
152a5a10
hex1f30ec

2044140 has 96 divisors (see below), whose sum is σ = 6795264. Its totient is φ = 449280.

The previous prime is 2044129. The next prime is 2044151. The reversal of 2044140 is 414402.

It is an interprime number because it is at equal distance from previous prime (2044129) and next prime (2044151).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12942 + ... + 13098.

It is an arithmetic number, because the mean of its divisors is an integer number (70784).

22044140 is an apocalyptic number.

2044140 is a gapful number since it is divisible by the number (20) 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 2044140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3397632).

2044140 is an abundant number, since it is smaller than the sum of its proper divisors (4751124).

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

2044140 is a wasteful number, since it uses less digits than its factorization.

2044140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2044140 is about 1429.7342410392. The cubic root of 2044140 is about 126.9122505423.

Adding to 2044140 its reverse (414402), we get a palindrome (2458542).

The spelling of 2044140 in words is "two million, forty-four thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 31 35 42 60 62 70 84 93 105 124 140 155 157 186 210 217 310 314 372 420 434 465 471 620 628 651 785 868 930 942 1085 1099 1302 1570 1860 1884 2170 2198 2355 2604 3140 3255 3297 4340 4396 4710 4867 5495 6510 6594 9420 9734 10990 13020 13188 14601 16485 19468 21980 24335 29202 32970 34069 48670 58404 65940 68138 73005 97340 102207 136276 146010 170345 204414 292020 340690 408828 511035 681380 1022070 2044140