Search a number
-
+
9901692 = 2232275047
BaseRepresentation
bin100101110001…
…011001111100
3200122001120100
4211301121330
510013323232
6552121100
7150106623
oct45613174
920561510
109901692
115653319
123396190
132088bb8
14145a6ba
15d08c7c
hex97167c

9901692 has 18 divisors (see below), whose sum is σ = 25029368. Its totient is φ = 3300552.

The previous prime is 9901691. The next prime is 9901709. The reversal of 9901692 is 2961099.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 275047 = 9901692 / (9 + 9 + 0 + 1 + 6 + 9 + 2).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9901691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137488 + ... + 137559.

Almost surely, 29901692 is an apocalyptic number.

It is an amenable number.

9901692 is an abundant number, since it is smaller than the sum of its proper divisors (15127676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9901692 is a wasteful number, since it uses less digits than its factorization.

9901692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275057 (or 275052 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 9901692 is about 3146.6954094732. The cubic root of 9901692 is about 214.7351489046.

The spelling of 9901692 in words is "nine million, nine hundred one thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 275047 550094 825141 1100188 1650282 2475423 3300564 4950846 9901692