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102343156 = 2252149109
BaseRepresentation
bin1100001100110…
…10000111110100
321010120120102021
412012122013310
5202144440111
614053322524
72351621356
oct606320764
9233516367
10102343156
1152851a23
122a336444
13182841a6
14d8410d6
158eb8d71
hex619a1f4

102343156 has 12 divisors (see below), whose sum is σ = 179447940. Its totient is φ = 51072320.

The previous prime is 102343151. The next prime is 102343187. The reversal of 102343156 is 651343201.

It can be written as a sum of positive squares in 2 ways, for example, as 22240656 + 80102500 = 4716^2 + 8950^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102343156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102343151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22471 + ... + 26638.

It is an arithmetic number, because the mean of its divisors is an integer number (14953995).

Almost surely, 2102343156 is an apocalyptic number.

It is an amenable number.

102343156 is a deficient number, since it is larger than the sum of its proper divisors (77104784).

102343156 is a wasteful number, since it uses less digits than its factorization.

102343156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49634 (or 49632 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 102343156 is about 10116.4794271525. The cubic root of 102343156 is about 467.7562528903.

Adding to 102343156 its reverse (651343201), we get a palindrome (753686357).

The spelling of 102343156 in words is "one hundred two million, three hundred forty-three thousand, one hundred fifty-six".

Divisors: 1 2 4 521 1042 2084 49109 98218 196436 25585789 51171578 102343156