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1994162601 = 3929715523
BaseRepresentation
bin111011011011100…
…1000000110101001
312010222100221211010
41312313020012221
513041001200401
6525513454133
7100263050064
oct16667100651
95128327733
101994162601
1193371a972
12477a11349
1325a1b2392
1414cbb98db
15ba10ced6
hex76dc81a9

1994162601 has 8 divisors (see below), whose sum is σ = 2661749280. Its totient is φ = 1328008832.

The previous prime is 1994162563. The next prime is 1994162623. The reversal of 1994162601 is 1062614991.

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-1994162601 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1994162601.

It is not an unprimeable number, because it can be changed into a prime (1994062601) 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, 354975 + ... + 360548.

It is an arithmetic number, because the mean of its divisors is an integer number (332718660).

Almost surely, 21994162601 is an apocalyptic number.

It is an amenable number.

1994162601 is a deficient number, since it is larger than the sum of its proper divisors (667586679).

1994162601 is an equidigital number, since it uses as much as digits as its factorization.

1994162601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716455.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 1994162601 is about 44656.0477539157. The cubic root of 1994162601 is about 1258.6940784197.

The spelling of 1994162601 in words is "one billion, nine hundred ninety-four million, one hundred sixty-two thousand, six hundred one".

Divisors: 1 3 929 2787 715523 2146569 664720867 1994162601