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2212303445 = 511379911097
BaseRepresentation
bin1000001111011101…
…0001001001010101
312201011211122210122
42003313101021111
514012322202240
61003305201325
7105552161162
oct20367211125
95634748718
102212303445
11a35873360
12518a90245
1329344b7c1
1416db61069
15ce34c4b5
hex83dd1255

2212303445 has 32 divisors (see below), whose sum is σ = 2980094976. Its totient is φ = 1562457600.

The previous prime is 2212303441. The next prime is 2212303447. The reversal of 2212303445 is 5443032122.

It is not a de Polignac number, because 2212303445 - 22 = 2212303441 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212303441) 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, 2016137 + ... + 2017233.

It is an arithmetic number, because the mean of its divisors is an integer number (93127968).

Almost surely, 22212303445 is an apocalyptic number.

It is an amenable number.

2212303445 is a deficient number, since it is larger than the sum of its proper divisors (767791531).

2212303445 is a wasteful number, since it uses less digits than its factorization.

2212303445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2212303445 is about 47035.1299030841. The cubic root of 2212303445 is about 1303.0114495579.

Adding to 2212303445 its reverse (5443032122), we get a palindrome (7655335567).

The spelling of 2212303445 in words is "two billion, two hundred twelve million, three hundred three thousand, four hundred forty-five".

Divisors: 1 5 11 37 55 185 407 991 1097 2035 4955 5485 10901 12067 36667 40589 54505 60335 183335 202945 403337 446479 1087127 2016685 2232395 5435635 11958397 40223699 59791985 201118495 442460689 2212303445