Search a number
-
+
302012022 = 231397179223
BaseRepresentation
bin10010000000000…
…101011001110110
3210001021210121110
4102000011121312
51104303341042
645545055450
710325026344
oct2200053166
9701253543
10302012022
11145529114
1285187586
134a753850
142c178994
151b7aa09c
hex12005676

302012022 has 64 divisors (see below), whose sum is σ = 663828480. Its totient is φ = 91044864.

The previous prime is 302011999. The next prime is 302012033. The reversal of 302012022 is 220210203.

It is a super-2 number, since 2×3020120222 = 182422522865056968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 302011989 and 302012007.

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 31 ways as a sum of consecutive naturals, for example, 1354203 + ... + 1354425.

It is an arithmetic number, because the mean of its divisors is an integer number (10372320).

Almost surely, 2302012022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302012022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331914240).

302012022 is an abundant number, since it is smaller than the sum of its proper divisors (361816458).

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

302012022 is a wasteful number, since it uses less digits than its factorization.

302012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 302012022 is about 17378.4930877220. The cubic root of 302012022 is about 670.9261877032.

Adding to 302012022 its reverse (220210203), we get a palindrome (522222225).

It can be divided in two parts, 30201 and 2022, that added together give a palindrome (32223).

The spelling of 302012022 in words is "three hundred two million, twelve thousand, twenty-two".

Divisors: 1 2 3 6 13 26 39 78 97 179 194 223 291 358 446 537 582 669 1074 1261 1338 2327 2522 2899 3783 4654 5798 6981 7566 8697 13962 17363 17394 21631 34726 39917 43262 52089 64893 79834 104178 119751 129786 225719 239502 281203 451438 518921 562406 677157 843609 1037842 1354314 1556763 1687218 3113526 3871949 7743898 11615847 23231694 50335337 100670674 151006011 302012022