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4245052212 = 223413102013
BaseRepresentation
bin1111110100000110…
…0101101100110100
3101221211210222220000
43331001211230310
532143213132322
61541122111300
7210124230342
oct37501455464
911854728800
104245052212
111889248615
129a57ab530
1352862101b
142c3b02992
1519ca2d3ac
hexfd065b34

4245052212 has 30 divisors (see below), whose sum is σ = 11097405858. Its totient is φ = 1415017296.

The previous prime is 4245052211. The next prime is 4245052213. The reversal of 4245052212 is 2122505424.

It is an interprime number because it is at equal distance from previous prime (4245052211) and next prime (4245052213).

It can be written as a sum of positive squares in only one way, i.e., 4113169956 + 131882256 = 64134^2 + 11484^2 .

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

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 (4245052211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6550683 + ... + 6551330.

Almost surely, 24245052212 is an apocalyptic number.

It is an amenable number.

4245052212 is an abundant number, since it is smaller than the sum of its proper divisors (6852353646).

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

4245052212 is a wasteful number, since it uses less digits than its factorization.

4245052212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13102029 (or 13102018 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 4245052212 is about 65154.0651993412. The cubic root of 4245052212 is about 1619.1770717513.

Adding to 4245052212 its reverse (2122505424), we get a palindrome (6367557636).

The spelling of 4245052212 in words is "four billion, two hundred forty-five million, fifty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 13102013 26204026 39306039 52408052 78612078 117918117 157224156 235836234 353754351 471672468 707508702 1061263053 1415017404 2122526106 4245052212