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11280702 = 231880117
BaseRepresentation
bin101011000010…
…000100111110
3210020010012210
4223002010332
510341440302
61041441250
7164612226
oct53020476
923203183
1011280702
1164053a4
123940226
13244c794
1416d9086
15ecc66c
hexac213e

11280702 has 8 divisors (see below), whose sum is σ = 22561416. Its totient is φ = 3760232.

The previous prime is 11280701. The next prime is 11280721. The reversal of 11280702 is 20708211.

It is a sphenic number, since it is the product of 3 distinct primes.

11280702 is an admirable number.

It is a super-2 number, since 2×112807022 = 254508475225608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11280701) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 940053 + ... + 940064.

It is an arithmetic number, because the mean of its divisors is an integer number (2820177).

Almost surely, 211280702 is an apocalyptic number.

11280702 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11280702 is a wasteful number, since it uses less digits than its factorization.

11280702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880122.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 11280702 is about 3358.6756318525. The cubic root of 11280702 is about 224.2738863880.

Adding to 11280702 its reverse (20708211), we get a palindrome (31988913).

The spelling of 11280702 in words is "eleven million, two hundred eighty thousand, seven hundred two".

Divisors: 1 2 3 6 1880117 3760234 5640351 11280702