Search a number
-
+
212375016 = 233272173541
BaseRepresentation
bin11001010100010…
…01010111101000
3112210121202202100
430222021113220
5413332000031
633023533400
75156105100
oct1452112750
9483552670
10212375016
11a9975547
125b15a260
1334ccabb9
14202c4200
15139a0de6
hexca895e8

212375016 has 144 divisors (see below), whose sum is σ = 708647940. Its totient is φ = 57093120.

The previous prime is 212375011. The next prime is 212375021. The reversal of 212375016 is 610573212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (212375011) and next prime (212375021).

It can be written as a sum of positive squares in 2 ways, for example, as 209960100 + 2414916 = 14490^2 + 1554^2 .

It is not an unprimeable number, because it can be changed into a prime (212375011) 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 35 ways as a sum of consecutive naturals, for example, 58206 + ... + 61746.

Almost surely, 2212375016 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 212375016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354323970).

212375016 is an abundant number, since it is smaller than the sum of its proper divisors (496272924).

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

212375016 is a wasteful number, since it uses less digits than its factorization.

212375016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3584 (or 3570 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 212375016 is about 14573.0921907466. The cubic root of 212375016 is about 596.6245798402.

The spelling of 212375016 in words is "two hundred twelve million, three hundred seventy-five thousand, sixteen".

Divisors: 1 2 3 4 6 7 8 9 12 14 17 18 21 24 28 34 36 42 49 51 56 63 68 72 84 98 102 119 126 136 147 153 168 196 204 238 252 294 306 357 392 408 441 476 504 588 612 714 833 882 952 1071 1176 1224 1428 1666 1764 2142 2499 2856 3332 3528 3541 4284 4998 6664 7082 7497 8568 9996 10623 14164 14994 19992 21246 24787 28328 29988 31869 42492 49574 59976 60197 63738 74361 84984 99148 120394 127476 148722 173509 180591 198296 223083 240788 254952 297444 347018 361182 421379 446166 481576 520527 541773 594888 694036 722364 842758 892332 1041054 1083546 1264137 1388072 1444728 1561581 1685516 1784664 2082108 2167092 2528274 2949653 3123162 3371032 3792411 4164216 4334184 5056548 5899306 6246324 7584822 8848959 10113096 11798612 12492648 15169644 17697918 23597224 26546877 30339288 35395836 53093754 70791672 106187508 212375016