Search a number
-
+
2563120 = 245723199
BaseRepresentation
bin1001110001110000110000
311211012221101
421301300300
51124004440
6130534144
730533440
oct11616060
94735841
102563120
1114a078a
12a37354
136b9851
144aa120
1535969a
hex271c30

2563120 has 80 divisors (see below), whose sum is σ = 7142400. Its totient is φ = 836352.

The previous prime is 2563117. The next prime is 2563139. The reversal of 2563120 is 213652.

2563120 = T39 + T40 + ... + T248.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12781 + ... + 12979.

It is an arithmetic number, because the mean of its divisors is an integer number (89280).

22563120 is an apocalyptic number.

2563120 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 2563120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3571200).

2563120 is an abundant number, since it is smaller than the sum of its proper divisors (4579280).

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

2563120 is a wasteful number, since it uses less digits than its factorization.

2563120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2563120 is about 1600.9747031106. The cubic root of 2563120 is about 136.8536273907.

Adding to 2563120 its reverse (213652), we get a palindrome (2776772).

It can be divided in two parts, 25631 and 20, that added together give a triangular number (25651 = T226).

The spelling of 2563120 in words is "two million, five hundred sixty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 23 28 35 40 46 56 70 80 92 112 115 140 161 184 199 230 280 322 368 398 460 560 644 796 805 920 995 1288 1393 1592 1610 1840 1990 2576 2786 3184 3220 3980 4577 5572 6440 6965 7960 9154 11144 12880 13930 15920 18308 22288 22885 27860 32039 36616 45770 55720 64078 73232 91540 111440 128156 160195 183080 256312 320390 366160 512624 640780 1281560 2563120