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2210532220 = 2251341207367
BaseRepresentation
bin1000001111000010…
…0000101101111100
312201001111200010201
42003300200231330
514011344012340
61003203213244
7105531133231
oct20360405574
95631450121
102210532220
11a34873636
12518377224
13292c7b540
1416d81d788
15ce0ec79a
hex83c20b7c

2210532220 has 48 divisors (see below), whose sum is σ = 5121160128. Its totient is φ = 796285440.

The previous prime is 2210532217. The next prime is 2210532223. The reversal of 2210532220 is 222350122.

It is an interprime number because it is at equal distance from previous prime (2210532217) and next prime (2210532223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210532223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93024 + ... + 114343.

It is an arithmetic number, because the mean of its divisors is an integer number (106690836).

Almost surely, 22210532220 is an apocalyptic number.

2210532220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210532220 is an abundant number, since it is smaller than the sum of its proper divisors (2910627908).

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

2210532220 is a wasteful number, since it uses less digits than its factorization.

2210532220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207430 (or 207428 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2210532220 is about 47016.2973871827. The cubic root of 2210532220 is about 1302.6636156202.

Adding to 2210532220 its reverse (222350122), we get a palindrome (2432882342).

The spelling of 2210532220 in words is "two billion, two hundred ten million, five hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 41 52 65 82 130 164 205 260 410 533 820 1066 2132 2665 5330 10660 207367 414734 829468 1036835 2073670 2695771 4147340 5391542 8502047 10783084 13478855 17004094 26957710 34008188 42510235 53915420 85020470 110526611 170040940 221053222 442106444 552633055 1105266110 2210532220