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30045102 = 2329172673
BaseRepresentation
bin111001010011…
…1001110101110
32002112110010120
41302213032232
530142420402
62551545410
7513244023
oct162471656
962473116
1030045102
1115a6136a
12a08b266
1362bc689
143dc154a
1529873bc
hex1ca73ae

30045102 has 16 divisors (see below), whose sum is σ = 62162640. Its totient is φ = 9669632.

The previous prime is 30045097. The next prime is 30045109. The reversal of 30045102 is 20154003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30045109) 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, 86163 + ... + 86510.

It is an arithmetic number, because the mean of its divisors is an integer number (3885165).

Almost surely, 230045102 is an apocalyptic number.

30045102 is an abundant number, since it is smaller than the sum of its proper divisors (32117538).

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

30045102 is a wasteful number, since it uses less digits than its factorization.

30045102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172707.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 30045102 is about 5481.3412592175. The cubic root of 30045102 is about 310.8788864054.

Adding to 30045102 its reverse (20154003), we get a palindrome (50199105).

The spelling of 30045102 in words is "thirty million, forty-five thousand, one hundred two".

Divisors: 1 2 3 6 29 58 87 174 172673 345346 518019 1036038 5007517 10015034 15022551 30045102