Search a number
-
+
210622030 = 25191108537
BaseRepresentation
bin11001000110111…
…01011001001110
3112200022201002221
430203131121032
5412404401110
632522205554
75135154253
oct1443353116
9480281087
10210622030
11a89884a3
125a6538ba
1334836028
141dd8942a
15137567da
hexc8dd64e

210622030 has 16 divisors (see below), whose sum is σ = 399073680. Its totient is φ = 79814592.

The previous prime is 210622021. The next prime is 210622031. The reversal of 210622030 is 30226012.

It is a junction number, because it is equal to n+sod(n) for n = 210621995 and 210622013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210622031) 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, 554079 + ... + 554458.

It is an arithmetic number, because the mean of its divisors is an integer number (24942105).

Almost surely, 2210622030 is an apocalyptic number.

210622030 is a deficient number, since it is larger than the sum of its proper divisors (188451650).

210622030 is a wasteful number, since it uses less digits than its factorization.

210622030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108563.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 210622030 is about 14512.8229507563. The cubic root of 210622030 is about 594.9784894420.

Adding to 210622030 its reverse (30226012), we get a palindrome (240848042).

The spelling of 210622030 in words is "two hundred ten million, six hundred twenty-two thousand, thirty".

Divisors: 1 2 5 10 19 38 95 190 1108537 2217074 5542685 11085370 21062203 42124406 105311015 210622030