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11208807 = 33415141
BaseRepresentation
bin101010110000…
…100001100111
3210002110121000
4222300201213
510332140212
61040124343
7164162511
oct52604147
923073530
1011208807
116366385
1239066b3
132425b3c
1416babb1
15eb61dc
hexab0867

11208807 has 8 divisors (see below), whose sum is σ = 16605680. Its totient is φ = 7472520.

The previous prime is 11208793. The next prime is 11208829. The reversal of 11208807 is 70880211.

It is not a de Polignac number, because 11208807 - 28 = 11208551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 415141 = 11208807 / (1 + 1 + 2 + 0 + 8 + 8 + 0 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11208707) 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 7 ways as a sum of consecutive naturals, for example, 207544 + ... + 207597.

It is an arithmetic number, because the mean of its divisors is an integer number (2075710).

Almost surely, 211208807 is an apocalyptic number.

11208807 is a deficient number, since it is larger than the sum of its proper divisors (5396873).

11208807 is an equidigital number, since it uses as much as digits as its factorization.

11208807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415150 (or 415144 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 11208807 is about 3347.9556448675. The cubic root of 11208807 is about 223.7964176557.

The spelling of 11208807 in words is "eleven million, two hundred eight thousand, eight hundred seven".

Divisors: 1 3 9 27 415141 1245423 3736269 11208807