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2530808 = 237431051
BaseRepresentation
bin1001101001110111111000
311202120121122
421221313320
51121441213
6130124412
730340310
oct11516770
94676548
102530808
111479485
12a20708
136a7c27
1449c440
1534ed08
hex269df8

2530808 has 32 divisors (see below), whose sum is σ = 5554560. Its totient is φ = 1058400.

The previous prime is 2530799. The next prime is 2530831. The reversal of 2530808 is 8080352.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1883 + ... + 2933.

It is an arithmetic number, because the mean of its divisors is an integer number (173580).

22530808 is an apocalyptic number.

2530808 is a gapful number since it is divisible by the number (28) 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 2530808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2777280).

2530808 is an abundant number, since it is smaller than the sum of its proper divisors (3023752).

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

2530808 is a wasteful number, since it uses less digits than its factorization.

2530808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2530808 is about 1590.8513444065. The cubic root of 2530808 is about 136.2761114841.

The spelling of 2530808 in words is "two million, five hundred thirty thousand, eight hundred eight".

Divisors: 1 2 4 7 8 14 28 43 56 86 172 301 344 602 1051 1204 2102 2408 4204 7357 8408 14714 29428 45193 58856 90386 180772 316351 361544 632702 1265404 2530808