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102012235 = 5131982601
BaseRepresentation
bin1100001010010…
…01010101001011
321002221202110221
412011021111023
5202103342420
614042250511
72346042523
oct605112513
9232852427
10102012235
1152646336
122a1b6a37
1318199690
14d796683
158e50caa
hex614954b

102012235 has 16 divisors (see below), whose sum is σ = 138771360. Its totient is φ = 71366400.

The previous prime is 102012233. The next prime is 102012247. The reversal of 102012235 is 532210201.

It is not a de Polignac number, because 102012235 - 21 = 102012233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102012233) 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, 40066 + ... + 42535.

It is an arithmetic number, because the mean of its divisors is an integer number (8673210).

Almost surely, 2102012235 is an apocalyptic number.

102012235 is a deficient number, since it is larger than the sum of its proper divisors (36759125).

102012235 is a wasteful number, since it uses less digits than its factorization.

102012235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82638.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 102012235 is about 10100.1106429583. The cubic root of 102012235 is about 467.2515537690.

Adding to 102012235 its reverse (532210201), we get a palindrome (634222436).

The spelling of 102012235 in words is "one hundred two million, twelve thousand, two hundred thirty-five".

Divisors: 1 5 13 19 65 95 247 1235 82601 413005 1073813 1569419 5369065 7847095 20402447 102012235