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928609001 = 8910433809
BaseRepresentation
bin110111010110010…
…111001011101001
32101201100020001222
4313112113023221
53400210442001
6232051151425
732004021605
oct6726271351
92351306058
10928609001
114371a2761
1221aba5575
1311a5024a8
148b486505
15567cd61b
hex375972e9

928609001 has 4 divisors (see below), whose sum is σ = 939042900. Its totient is φ = 918175104.

The previous prime is 928608979. The next prime is 928609009. The reversal of 928609001 is 100906829.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100906829 = 313255059.

It can be written as a sum of positive squares in 2 ways, for example, as 151314601 + 777294400 = 12301^2 + 27880^2 .

It is a cyclic number.

It is not a de Polignac number, because 928609001 - 214 = 928592617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (928609009) 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, 5216816 + ... + 5216993.

It is an arithmetic number, because the mean of its divisors is an integer number (234760725).

Almost surely, 2928609001 is an apocalyptic number.

It is an amenable number.

928609001 is a deficient number, since it is larger than the sum of its proper divisors (10433899).

928609001 is a wasteful number, since it uses less digits than its factorization.

928609001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10433898.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 928609001 is about 30473.0865026830. The cubic root of 928609001 is about 975.6131146120.

The spelling of 928609001 in words is "nine hundred twenty-eight million, six hundred nine thousand, one".

Divisors: 1 89 10433809 928609001