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1117668 = 22393139
BaseRepresentation
bin100010000110111100100
32002210011010
410100313210
5241231133
635542220
712333336
oct4206744
92083133
101117668
116a37a2
1245a970
13301956
14211456
15171263
hex110de4

1117668 has 12 divisors (see below), whose sum is σ = 2607920. Its totient is φ = 372552.

The previous prime is 1117661. The next prime is 1117673. The reversal of 1117668 is 8667111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (1117661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46558 + ... + 46581.

21117668 is an apocalyptic number.

It is an amenable number.

1117668 is an abundant number, since it is smaller than the sum of its proper divisors (1490252).

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

1117668 is a wasteful number, since it uses less digits than its factorization.

1117668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93146 (or 93144 counting only the distinct ones).

The product of its digits is 2016, while the sum is 30.

The square root of 1117668 is about 1057.1981838804. The cubic root of 1117668 is about 103.7777551910. Note that the first 4 decimals are identical.

The spelling of 1117668 in words is "one million, one hundred seventeen thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 93139 186278 279417 372556 558834 1117668