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102530361 = 3314325639
BaseRepresentation
bin1100001110001…
…11110100111001
321010221002012210
412013013310321
5202221432421
614101325333
72353331223
oct607076471
9233832183
10102530361
115296a63a
122a406849
131831b46b
14d88d413
159004576
hex61c7d39

102530361 has 16 divisors (see below), whose sum is σ = 144404480. Its totient is φ = 64607760.

The previous prime is 102530357. The next prime is 102530371. The reversal of 102530361 is 163035201.

It is not a de Polignac number, because 102530361 - 22 = 102530357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102530321) 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, 8821 + ... + 16818.

It is an arithmetic number, because the mean of its divisors is an integer number (9025280).

Almost surely, 2102530361 is an apocalyptic number.

It is an amenable number.

102530361 is a deficient number, since it is larger than the sum of its proper divisors (41874119).

102530361 is a wasteful number, since it uses less digits than its factorization.

102530361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25716.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 102530361 is about 10125.7276775548. The cubic root of 102530361 is about 468.0412840708.

Adding to 102530361 its reverse (163035201), we get a palindrome (265565562).

The spelling of 102530361 in words is "one hundred two million, five hundred thirty thousand, three hundred sixty-one".

Divisors: 1 3 31 43 93 129 1333 3999 25639 76917 794809 1102477 2384427 3307431 34176787 102530361