Search a number
-
+
210002044 = 22721071439
BaseRepresentation
bin11001000010001…
…10000001111100
3112122011012122111
430201012001330
5412230031134
632501023404
75126662600
oct1441060174
9478135574
10210002044
11a85a470a
125a3b4b64
1334679a85
141dc67500
1513682c64
hexc84607c

210002044 has 18 divisors (see below), whose sum is σ = 427504560. Its totient is φ = 90000792.

The previous prime is 210001951. The next prime is 210002069. The reversal of 210002044 is 440200012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 535524 + ... + 535915.

Almost surely, 2210002044 is an apocalyptic number.

It is an amenable number.

210002044 is an abundant number, since it is smaller than the sum of its proper divisors (217502516).

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

210002044 is a wasteful number, since it uses less digits than its factorization.

210002044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071457 (or 1071448 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 210002044 is about 14491.4472707180. The cubic root of 210002044 is about 594.3941237425.

Adding to 210002044 its reverse (440200012), we get a palindrome (650202056).

The spelling of 210002044 in words is "two hundred ten million, two thousand, forty-four".

Divisors: 1 2 4 7 14 28 49 98 196 1071439 2142878 4285756 7500073 15000146 30000292 52500511 105001022 210002044