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11968437 = 313306883
BaseRepresentation
bin101101101001…
…111110110101
3211112001121110
4231221332311
511030442222
61104305233
7203505255
oct55517665
924461543
1011968437
116835078
124012219
132630820
141837965
1510b630c
hexb69fb5

11968437 has 8 divisors (see below), whose sum is σ = 17185504. Its totient is φ = 7365168.

The previous prime is 11968417. The next prime is 11968469. The reversal of 11968437 is 73486911.

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

It is not a de Polignac number, because 11968437 - 211 = 11966389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 306883 = 11968437 / (1 + 1 + 9 + 6 + 8 + 4 + 3 + 7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11968395 and 11968404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11968417) 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, 153403 + ... + 153480.

It is an arithmetic number, because the mean of its divisors is an integer number (2148188).

Almost surely, 211968437 is an apocalyptic number.

It is an amenable number.

11968437 is a deficient number, since it is larger than the sum of its proper divisors (5217067).

11968437 is a wasteful number, since it uses less digits than its factorization.

11968437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306899.

The product of its digits is 36288, while the sum is 39.

The square root of 11968437 is about 3459.5428888800. The cubic root of 11968437 is about 228.7419466244.

The spelling of 11968437 in words is "eleven million, nine hundred sixty-eight thousand, four hundred thirty-seven".

Divisors: 1 3 13 39 306883 920649 3989479 11968437