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102030068 = 2275097159
BaseRepresentation
bin1100001010011…
…01101011110100
321002222122221102
412011031223310
5202104430233
614042505232
72346145520
oct605155364
9232878842
10102030068
1152658778
122a205218
13181a482a
14d79cd80
158e561e8
hex614daf4

102030068 has 24 divisors (see below), whose sum is σ = 204489600. Its totient is φ = 43635168.

The previous prime is 102030067. The next prime is 102030113. The reversal of 102030068 is 860030201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102030067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10673 + ... + 17831.

It is an arithmetic number, because the mean of its divisors is an integer number (8520400).

Almost surely, 2102030068 is an apocalyptic number.

It is an amenable number.

102030068 is an abundant number, since it is smaller than the sum of its proper divisors (102459532).

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

102030068 is a wasteful number, since it uses less digits than its factorization.

102030068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7679 (or 7677 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 102030068 is about 10100.9934164913. The cubic root of 102030068 is about 467.2787792989.

Adding to 102030068 its reverse (860030201), we get a palindrome (962060269).

The spelling of 102030068 in words is "one hundred two million, thirty thousand, sixty-eight".

Divisors: 1 2 4 7 14 28 509 1018 2036 3563 7126 7159 14252 14318 28636 50113 100226 200452 3643931 7287862 14575724 25507517 51015034 102030068