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11870443 = 134122271
BaseRepresentation
bin101101010010…
…000011101011
3211100002012001
4231102003223
511014323233
61102231431
7202616464
oct55220353
924302161
1011870443
116778492
123b85577
1325c8040
14180dd6b
15109727d
hexb520eb

11870443 has 8 divisors (see below), whose sum is σ = 13095936. Its totient is φ = 10689600.

The previous prime is 11870431. The next prime is 11870449. The reversal of 11870443 is 34407811.

11870443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11870443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11870449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10603 + ... + 11668.

It is an arithmetic number, because the mean of its divisors is an integer number (1636992).

Almost surely, 211870443 is an apocalyptic number.

11870443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11870443 is a deficient number, since it is larger than the sum of its proper divisors (1225493).

11870443 is a wasteful number, since it uses less digits than its factorization.

11870443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22325.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 11870443 is about 3445.3509255227. The cubic root of 11870443 is about 228.1159446709.

The spelling of 11870443 in words is "eleven million, eight hundred seventy thousand, four hundred forty-three".

Divisors: 1 13 41 533 22271 289523 913111 11870443