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2530188 = 2232671049
BaseRepresentation
bin1001101001101110001100
311202112202200
421221232030
51121431223
6130121500
730335433
oct11515614
94675680
102530188
111478a71
12a20290
136a786b
1449c11a
1534ea43
hex269b8c

2530188 has 36 divisors (see below), whose sum is σ = 6497400. Its totient is φ = 830016.

The previous prime is 2530159. The next prime is 2530193. The reversal of 2530188 is 8810352.

It is a happy number.

2530188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1888 + ... + 2936.

22530188 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2530188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3248700).

2530188 is an abundant number, since it is smaller than the sum of its proper divisors (3967212).

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

2530188 is a wasteful number, since it uses less digits than its factorization.

2530188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126 (or 1121 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 2530188 is about 1590.6564682545. The cubic root of 2530188 is about 136.2649822203.

The spelling of 2530188 in words is "two million, five hundred thirty thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 67 134 201 268 402 603 804 1049 1206 2098 2412 3147 4196 6294 9441 12588 18882 37764 70283 140566 210849 281132 421698 632547 843396 1265094 2530188