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30114240 = 26351319127
BaseRepresentation
bin111001011100…
…0000111000000
32002122221222020
41302320013000
530202123430
62553241440
7513652422
oct162700700
962587866
1030114240
1115aa9302
12a103280
136314ca0
143ddc812
15299cb10
hex1cb81c0

30114240 has 224 divisors, whose sum is σ = 109240320. Its totient is φ = 6967296.

The previous prime is 30114197. The next prime is 30114257. The reversal of 30114240 is 4241103.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237057 + ... + 237183.

It is an arithmetic number, because the mean of its divisors is an integer number (487680).

Almost surely, 230114240 is an apocalyptic number.

30114240 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 30114240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54620160).

30114240 is an abundant number, since it is smaller than the sum of its proper divisors (79126080).

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

30114240 is a wasteful number, since it uses less digits than its factorization.

30114240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 30114240 is about 5487.6443033418. The cubic root of 30114240 is about 311.1171623917.

Adding to 30114240 its reverse (4241103), we get a palindrome (34355343).

It can be divided in two parts, 301 and 14240, that added together give a palindrome (14541).

The spelling of 30114240 in words is "thirty million, one hundred fourteen thousand, two hundred forty".