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11489803 = 13267987
BaseRepresentation
bin101011110101…
…001000001011
3210121202001021
4223311020023
510420133203
61050133311
7166442653
oct53651013
923552037
1011489803
116538506
123a21237
1324c3a00
141751363
15101e5bd
hexaf520b

11489803 has 6 divisors (see below), whose sum is σ = 12441804. Its totient is φ = 10605816.

The previous prime is 11489789. The next prime is 11489827. The reversal of 11489803 is 30898411.

It is a happy number.

11489803 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11489803 - 213 = 11481611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11489873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33825 + ... + 34162.

It is an arithmetic number, because the mean of its divisors is an integer number (2073634).

Almost surely, 211489803 is an apocalyptic number.

11489803 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11489803 is a deficient number, since it is larger than the sum of its proper divisors (952001).

11489803 is an equidigital number, since it uses as much as digits as its factorization.

11489803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68013 (or 68000 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 11489803 is about 3389.6611925088. The cubic root of 11489803 is about 225.6511376937.

The spelling of 11489803 in words is "eleven million, four hundred eighty-nine thousand, eight hundred three".

Divisors: 1 13 169 67987 883831 11489803