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2530948 = 227237349
BaseRepresentation
bin1001101001111010000100
311202120210211
421221322010
51121442243
6130125204
730340600
oct11517204
94676724
102530948
1114795a2
12a20804
136a8004
1449c500
1534ed9d
hex269e84

2530948 has 36 divisors (see below), whose sum is σ = 5306700. Its totient is φ = 1052352.

The previous prime is 2530921. The next prime is 2530961. The reversal of 2530948 is 8490352.

It can be written as a sum of positive squares in 2 ways, for example, as 2079364 + 451584 = 1442^2 + 672^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7078 + ... + 7426.

22530948 is an apocalyptic number.

2530948 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 2530948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2653350).

2530948 is an abundant number, since it is smaller than the sum of its proper divisors (2775752).

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

2530948 is a wasteful number, since it uses less digits than its factorization.

2530948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2530948 is about 1590.8953453952. The cubic root of 2530948 is about 136.2786242921.

The spelling of 2530948 in words is "two million, five hundred thirty thousand, nine hundred forty-eight".

Divisors: 1 2 4 7 14 28 37 49 74 98 148 196 259 349 518 698 1036 1396 1813 2443 3626 4886 7252 9772 12913 17101 25826 34202 51652 68404 90391 180782 361564 632737 1265474 2530948