Search a number
-
+
475420212 = 223323434451
BaseRepresentation
bin11100010101100…
…101011000110100
31020010120211221000
4130111211120310
51433201421322
6115101523300
714532001521
oct3425453064
91203524830
10475420212
112243a9273
12113273530
137765a247
14471d8148
152bb103ac
hex1c565634

475420212 has 96 divisors (see below), whose sum is σ = 1316367360. Its totient is φ = 148024800.

The previous prime is 475420199. The next prime is 475420217. The reversal of 475420212 is 212024574.

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 (475420217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104587 + ... + 109037.

It is an arithmetic number, because the mean of its divisors is an integer number (13712160).

Almost surely, 2475420212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 475420212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658183680).

475420212 is an abundant number, since it is smaller than the sum of its proper divisors (840947148).

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

475420212 is a wasteful number, since it uses less digits than its factorization.

475420212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4530 (or 4522 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 475420212 is about 21804.1329109873. The cubic root of 475420212 is about 780.4753906757.

Adding to 475420212 its reverse (212024574), we get a palindrome (687444786).

The spelling of 475420212 in words is "four hundred seventy-five million, four hundred twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 23 27 36 43 46 54 69 86 92 108 129 138 172 207 258 276 387 414 516 621 774 828 989 1161 1242 1548 1978 2322 2484 2967 3956 4451 4644 5934 8901 8902 11868 13353 17802 17804 26703 26706 35604 40059 53406 53412 80118 102373 106812 120177 160236 191393 204746 240354 307119 382786 409492 480708 574179 614238 765572 921357 1148358 1228476 1722537 1842714 2296716 2764071 3445074 3685428 4402039 5167611 5528142 6890148 8804078 10335222 11056284 13206117 17608156 20670444 26412234 39618351 52824468 79236702 118855053 158473404 237710106 475420212