Search a number
-
+
202994100 = 223452191319
BaseRepresentation
bin11000001100101…
…11000110110100
3112010222011120000
430012113012310
5403431302400
632050511300
75013264351
oct1406270664
9463864500
10202994100
11a4648521
1257b95530
133309506a
141cd61628
1512c4b600
hexc1971b4

202994100 has 180 divisors, whose sum is σ = 693184800. Its totient is φ = 51243840.

The previous prime is 202994089. The next prime is 202994101. The reversal of 202994100 is 1499202.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202994101) 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 59 ways as a sum of consecutive naturals, for example, 153241 + ... + 154559.

Almost surely, 2202994100 is an apocalyptic number.

202994100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202994100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346592400).

202994100 is an abundant number, since it is smaller than the sum of its proper divisors (490190700).

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

202994100 is a wasteful number, since it uses less digits than its factorization.

202994100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364 (or 1348 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 202994100 is about 14247.5997978607. The cubic root of 202994100 is about 587.7073720940.

The spelling of 202994100 in words is "two hundred two million, nine hundred ninety-four thousand, one hundred".