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11252880 = 2432515629
BaseRepresentation
bin101010111011…
…010010010000
3210011201001100
4222323102100
510340043010
61041104400
7164435142
oct52732220
923151040
1011252880
116396501
123928100
13243cc12
1416ccc92
15ec42c0
hexabb490

11252880 has 60 divisors (see below), whose sum is σ = 37793340. Its totient is φ = 3000576.

The previous prime is 11252867. The next prime is 11252903. The reversal of 11252880 is 8825211.

It can be written as a sum of positive squares in 2 ways, for example, as 8856576 + 2396304 = 2976^2 + 1548^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

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, 7095 + ... + 8534.

It is an arithmetic number, because the mean of its divisors is an integer number (629889).

Almost surely, 211252880 is an apocalyptic number.

11252880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11252880 is an abundant number, since it is smaller than the sum of its proper divisors (26540460).

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

11252880 is a wasteful number, since it uses less digits than its factorization.

11252880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15648 (or 15639 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 11252880 is about 3354.5312638281. The cubic root of 11252880 is about 224.0893563567.

It can be divided in two parts, 1125 and 2880, that multiplied together give a square (3240000 = 18002).

The spelling of 11252880 in words is "eleven million, two hundred fifty-two thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 15629 31258 46887 62516 78145 93774 125032 140661 156290 187548 234435 250064 281322 312580 375096 468870 562644 625160 703305 750192 937740 1125288 1250320 1406610 1875480 2250576 2813220 3750960 5626440 11252880