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102316530 = 23511233037
BaseRepresentation
bin1100001100100…
…11100111110010
321010112012220010
412012103213302
5202143112110
614052555350
72351450631
oct606234762
9233465803
10102316530
1152833a18
122a322b56
1318275034
14d835518
158eb1020
hex61939f2

102316530 has 32 divisors (see below), whose sum is σ = 245859264. Its totient is φ = 27251136.

The previous prime is 102316519. The next prime is 102316537. The reversal of 102316530 is 35613201.

It is a super-2 number, since 2×1023165302 = 20937344622481800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102316497 and 102316506.

It is not an unprimeable number, because it can be changed into a prime (102316537) 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, 32172 + ... + 35208.

It is an arithmetic number, because the mean of its divisors is an integer number (7683102).

Almost surely, 2102316530 is an apocalyptic number.

102316530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102316530 is an abundant number, since it is smaller than the sum of its proper divisors (143542734).

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

102316530 is a wasteful number, since it uses less digits than its factorization.

102316530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4170.

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

The square root of 102316530 is about 10115.1633699115. The cubic root of 102316530 is about 467.7156849334.

Adding to 102316530 its reverse (35613201), we get a palindrome (137929731).

It can be divided in two parts, 10231 and 6530, that added together give a palindrome (16761).

The spelling of 102316530 in words is "one hundred two million, three hundred sixteen thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1123 2246 3037 3369 5615 6074 6738 9111 11230 15185 16845 18222 30370 33690 45555 91110 3410551 6821102 10231653 17052755 20463306 34105510 51158265 102316530