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11280948 = 2237235839
BaseRepresentation
bin101011000010…
…001000110100
3210020010112220
4223002020310
510341442243
61041442340
7164613030
oct53021064
923203486
1011280948
1164055a8
1239403b0
13244c923
1416d91c0
15ecc783
hexac2234

11280948 has 48 divisors (see below), whose sum is σ = 31395840. Its totient is φ = 3082464.

The previous prime is 11280947. The next prime is 11280953. The reversal of 11280948 is 84908211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11280943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 988 + ... + 4851.

It is an arithmetic number, because the mean of its divisors is an integer number (654080).

Almost surely, 211280948 is an apocalyptic number.

It is an amenable number.

11280948 is an abundant number, since it is smaller than the sum of its proper divisors (20114892).

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

11280948 is a wasteful number, since it uses less digits than its factorization.

11280948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5876 (or 5874 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 11280948 is about 3358.7122532304. The cubic root of 11280948 is about 224.2755166345.

The spelling of 11280948 in words is "eleven million, two hundred eighty thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 23 28 42 46 69 84 92 138 161 276 322 483 644 966 1932 5839 11678 17517 23356 35034 40873 70068 81746 122619 134297 163492 245238 268594 402891 490476 537188 805782 940079 1611564 1880158 2820237 3760316 5640474 11280948