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11887422 = 231981237
BaseRepresentation
bin101101010110…
…001100111110
3211100221110220
4231112030332
511020344142
61102442210
7203020131
oct55261476
924327426
1011887422
11678a218
123b93366
1326029a1
141816218
15109c2ec
hexb5633e

11887422 has 8 divisors (see below), whose sum is σ = 23774856. Its totient is φ = 3962472.

The previous prime is 11887387. The next prime is 11887429. The reversal of 11887422 is 22478811.

It is a happy number.

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

11887422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11887429) 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, 990613 + ... + 990624.

It is an arithmetic number, because the mean of its divisors is an integer number (2971857).

Almost surely, 211887422 is an apocalyptic number.

11887422 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.

11887422 is a wasteful number, since it uses less digits than its factorization.

11887422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981242.

The product of its digits is 7168, while the sum is 33.

The square root of 11887422 is about 3447.8140901156. The cubic root of 11887422 is about 228.2246554525.

The spelling of 11887422 in words is "eleven million, eight hundred eighty-seven thousand, four hundred twenty-two".

Divisors: 1 2 3 6 1981237 3962474 5943711 11887422