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30288110 = 253028811
BaseRepresentation
bin111001110001…
…0100011101110
32002222210110212
41303202203232
530223204420
63001102422
7515305346
oct163424356
962883425
1030288110
11161079a6
12a187a12
136376178
144045d26
1529d43c5
hex1ce28ee

30288110 has 8 divisors (see below), whose sum is σ = 54518616. Its totient is φ = 12115240.

The previous prime is 30288061. The next prime is 30288113. The reversal of 30288110 is 1188203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30288113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1514396 + ... + 1514415.

It is an arithmetic number, because the mean of its divisors is an integer number (6814827).

Almost surely, 230288110 is an apocalyptic number.

30288110 is a deficient number, since it is larger than the sum of its proper divisors (24230506).

30288110 is a wasteful number, since it uses less digits than its factorization.

30288110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028818.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 30288110 is about 5503.4634549527. The cubic root of 30288110 is about 311.7147774141.

The spelling of 30288110 in words is "thirty million, two hundred eighty-eight thousand, one hundred ten".

Divisors: 1 2 5 10 3028811 6057622 15144055 30288110