[go: up one dir, main page]

Search a number
-
+
43009120 = 2557113491
BaseRepresentation
bin1010010000010…
…0010001100000
32222221002102101
42210010101200
542002242440
64133500144
71031400010
oct244042140
988832371
1043009120
1122306430
12124a1654
138bab3ab
1459d7c40
153b9869a
hex2904460

43009120 has 96 divisors (see below), whose sum is σ = 126717696. Its totient is φ = 13401600.

The previous prime is 43009081. The next prime is 43009139. The reversal of 43009120 is 2190034.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10575 + ... + 14065.

It is an arithmetic number, because the mean of its divisors is an integer number (1319976).

Almost surely, 243009120 is an apocalyptic number.

43009120 is a gapful number since it is divisible by the number (40) 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 43009120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63358848).

43009120 is an abundant number, since it is smaller than the sum of its proper divisors (83708576).

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

43009120 is a wasteful number, since it uses less digits than its factorization.

43009120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524 (or 3516 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 43009120 is about 6558.1338809146. The cubic root of 43009120 is about 350.3645724974.

Adding to 43009120 its reverse (2190034), we get a palindrome (45199154).

The spelling of 43009120 in words is "forty-three million, nine thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 55 56 70 77 80 88 110 112 140 154 160 176 220 224 280 308 352 385 440 560 616 770 880 1120 1232 1540 1760 2464 3080 3491 6160 6982 12320 13964 17455 24437 27928 34910 38401 48874 55856 69820 76802 97748 111712 122185 139640 153604 192005 195496 244370 268807 279280 307208 384010 390992 488740 537614 558560 614416 768020 781984 977480 1075228 1228832 1344035 1536040 1954960 2150456 2688070 3072080 3909920 4300912 5376140 6144160 8601824 10752280 21504560 43009120