Search a number
-
+
210045944 = 23187114033
BaseRepresentation
bin11001000010100…
…00101111111000
3112122020102212102
430201100233320
5412232432234
632502002532
75130234563
oct1441205770
9478212772
10210045944
11a8624699
125a416448
1334693a54
141dc794da
1513690c7e
hexc850bf8

210045944 has 16 divisors (see below), whose sum is σ = 394074720. Its totient is φ = 104959360.

The previous prime is 210045923. The next prime is 210045989. The reversal of 210045944 is 449540012.

It is a super-2 number, since 2×2100459442 = 88238597181702272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7952 + ... + 21984.

It is an arithmetic number, because the mean of its divisors is an integer number (24629670).

Almost surely, 2210045944 is an apocalyptic number.

It is an amenable number.

210045944 is a deficient number, since it is larger than the sum of its proper divisors (184028776).

210045944 is a wasteful number, since it uses less digits than its factorization.

210045944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15910 (or 15906 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 210045944 is about 14492.9618780979. The cubic root of 210045944 is about 594.4355393457.

Adding to 210045944 its reverse (449540012), we get a palindrome (659585956).

The spelling of 210045944 in words is "two hundred ten million, forty-five thousand, nine hundred forty-four".

Divisors: 1 2 4 8 1871 3742 7484 14033 14968 28066 56132 112264 26255743 52511486 105022972 210045944