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11388470 = 2517312161
BaseRepresentation
bin101011011100…
…011000110110
3210102121001012
4223130120312
510403412340
61044032222
7165541352
oct53343066
923377035
1011388470
116479365
123992672
132489852
141726462
15eee565
hexadc636

11388470 has 32 divisors (see below), whose sum is σ = 22415616. Its totient is φ = 4147200.

The previous prime is 11388463. The next prime is 11388491. The reversal of 11388470 is 7488311.

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 15 ways as a sum of consecutive naturals, for example, 4190 + ... + 6350.

It is an arithmetic number, because the mean of its divisors is an integer number (700488).

Almost surely, 211388470 is an apocalyptic number.

11388470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11388470 is a deficient number, since it is larger than the sum of its proper divisors (11027146).

11388470 is a wasteful number, since it uses less digits than its factorization.

11388470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 11388470 is about 3374.6807256391. The cubic root of 11388470 is about 224.9858098047.

The spelling of 11388470 in words is "eleven million, three hundred eighty-eight thousand, four hundred seventy".

Divisors: 1 2 5 10 17 31 34 62 85 155 170 310 527 1054 2161 2635 4322 5270 10805 21610 36737 66991 73474 133982 183685 334955 367370 669910 1138847 2277694 5694235 11388470