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2530260 = 2232514057
BaseRepresentation
bin1001101001101111010100
311202112212100
421221233110
51121432020
6130122100
730335565
oct11515724
94675770
102530260
111479027
12a20330
136a78c5
1449c16c
1534ea90
hex269bd4

2530260 has 36 divisors (see below), whose sum is σ = 7675668. Its totient is φ = 674688.

The previous prime is 2530247. The next prime is 2530261. The reversal of 2530260 is 620352.

It can be written as a sum of positive squares in 2 ways, for example, as 404496 + 2125764 = 636^2 + 1458^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6849 + ... + 7208.

It is an arithmetic number, because the mean of its divisors is an integer number (213213).

22530260 is an apocalyptic number.

2530260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2530260 is an abundant number, since it is smaller than the sum of its proper divisors (5145408).

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

2530260 is a wasteful number, since it uses less digits than its factorization.

2530260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14072 (or 14067 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2530260 is about 1590.6791002588. The cubic root of 2530260 is about 136.2662747442.

The spelling of 2530260 in words is "two million, five hundred thirty thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 14057 28114 42171 56228 70285 84342 126513 140570 168684 210855 253026 281140 421710 506052 632565 843420 1265130 2530260