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68524437 = 322841479
BaseRepresentation
bin1000001010110…
…01100110010101
311202221101212010
410011121212111
5120020240222
610444414433
71461306462
oct405314625
9152841763
1068524437
1135753473
121ab47419
1311273007
14915a669
15603880c
hex4159995

68524437 has 4 divisors (see below), whose sum is σ = 91365920. Its totient is φ = 45682956.

The previous prime is 68524427. The next prime is 68524439. The reversal of 68524437 is 73442586.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 68524437 - 26 = 68524373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68524395 and 68524404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68524439) 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, 11420737 + ... + 11420742.

It is an arithmetic number, because the mean of its divisors is an integer number (22841480).

Almost surely, 268524437 is an apocalyptic number.

It is an amenable number.

68524437 is a deficient number, since it is larger than the sum of its proper divisors (22841483).

68524437 is a wasteful number, since it uses less digits than its factorization.

68524437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22841482.

The product of its digits is 161280, while the sum is 39.

The square root of 68524437 is about 8277.9488401415. The cubic root of 68524437 is about 409.2121236718.

The spelling of 68524437 in words is "sixty-eight million, five hundred twenty-four thousand, four hundred thirty-seven".

Divisors: 1 3 22841479 68524437