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102225212 = 22157162779
BaseRepresentation
bin1100001011111…
…01010100111100
321010100120121222
412011331110330
5202132201322
614051012512
72350620455
oct605752474
9233316558
10102225212
1152781351
122a29a138
13182425bb
14d81012c
158e93e42
hex617d53c

102225212 has 12 divisors (see below), whose sum is σ = 180034680. Its totient is φ = 50786736.

The previous prime is 102225139. The next prime is 102225223. The reversal of 102225212 is 212522201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80762 + ... + 82017.

It is an arithmetic number, because the mean of its divisors is an integer number (15002890).

Almost surely, 2102225212 is an apocalyptic number.

It is an amenable number.

102225212 is a deficient number, since it is larger than the sum of its proper divisors (77809468).

102225212 is a wasteful number, since it uses less digits than its factorization.

102225212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162940 (or 162938 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 102225212 is about 10110.6484460691. The cubic root of 102225212 is about 467.5764973431.

Adding to 102225212 its reverse (212522201), we get a palindrome (314747413).

It can be divided in two parts, 10 and 2225212, that added together give a palindrome (2225222).

The spelling of 102225212 in words is "one hundred two million, two hundred twenty-five thousand, two hundred twelve".

Divisors: 1 2 4 157 314 628 162779 325558 651116 25556303 51112606 102225212