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30078048 = 25371113313
BaseRepresentation
bin111001010111…
…1010001100000
32002121010022210
41302233101200
530144444143
62552402120
7513442050
oct162572140
962533283
1030078048
1115a840a0
12a0a6340
136301680
143dcd560
152992033
hex1caf460

30078048 has 192 divisors, whose sum is σ = 106348032. Its totient is φ = 7188480.

The previous prime is 30078047. The next prime is 30078053. The reversal of 30078048 is 84087003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30078047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95940 + ... + 96252.

It is an arithmetic number, because the mean of its divisors is an integer number (553896).

Almost surely, 230078048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30078048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53174016).

30078048 is an abundant number, since it is smaller than the sum of its proper divisors (76269984).

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

30078048 is a wasteful number, since it uses less digits than its factorization.

30078048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 30078048 is about 5484.3457221441. The cubic root of 30078048 is about 310.9924764604.

The spelling of 30078048 in words is "thirty million, seventy-eight thousand, forty-eight".