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30064500 = 22335317131
BaseRepresentation
bin111001010101…
…1111101110100
32002120102202000
41302223331310
530144031000
62552215300
7513354414
oct162537564
962512660
1030064500
1115a749a4
12a09a530
1362c845b
143dc8644
15298d000
hex1cabf74

30064500 has 192 divisors, whose sum is σ = 103783680. Its totient is φ = 7488000.

The previous prime is 30064499. The next prime is 30064501. The reversal of 30064500 is 546003.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30064499) and next prime (30064501).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30064501) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 229435 + ... + 229565.

It is an arithmetic number, because the mean of its divisors is an integer number (540540).

Almost surely, 230064500 is an apocalyptic number.

30064500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30064500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51891840).

30064500 is an abundant number, since it is smaller than the sum of its proper divisors (73719180).

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

30064500 is a wasteful number, since it uses less digits than its factorization.

30064500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 30064500 is about 5483.1104311330. The cubic root of 30064500 is about 310.9457761911.

The spelling of 30064500 in words is "thirty million, sixty-four thousand, five hundred".