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68089495 = 526775087
BaseRepresentation
bin1000000111011…
…11011010010111
311202010022020011
410003233122113
5114412330440
610431221051
71454515435
oct403573227
9152108204
1068089495
1135486711
121a977787
1311150056
149085d55
155e9e9ea
hex40ef697

68089495 has 8 divisors (see below), whose sum is σ = 81753984. Its totient is φ = 54440544.

The previous prime is 68089493. The next prime is 68089519. The reversal of 68089495 is 59498086.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 68089495 - 21 = 68089493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68089493) 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, 10842 + ... + 15928.

It is an arithmetic number, because the mean of its divisors is an integer number (10219248).

Almost surely, 268089495 is an apocalyptic number.

68089495 is a deficient number, since it is larger than the sum of its proper divisors (13664489).

68089495 is a wasteful number, since it uses less digits than its factorization.

68089495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7769.

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 68089495 is about 8251.6358984143. The cubic root of 68089495 is about 408.3444943037.

The spelling of 68089495 in words is "sixty-eight million, eighty-nine thousand, four hundred ninety-five".

Divisors: 1 5 2677 5087 13385 25435 13617899 68089495