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14730240 = 210357137
BaseRepresentation
bin111000001100…
…010000000000
31000201101002110
4320030100000
512232331430
61243415320
7236130210
oct70142000
930641073
1014730240
118351058
124b24540
133089925
141d56240
15145e7b0
hexe0c400

14730240 has 176 divisors, whose sum is σ = 54237312. Its totient is φ = 3342336.

The previous prime is 14730217. The next prime is 14730251. The reversal of 14730240 is 4203741.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107452 + ... + 107588.

Almost surely, 214730240 is an apocalyptic number.

14730240 is a gapful number since it is divisible by the number (10) 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 14730240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27118656).

14730240 is an abundant number, since it is smaller than the sum of its proper divisors (39507072).

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

14730240 is a wasteful number, since it uses less digits than its factorization.

14730240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 14730240 is about 3837.9994788952. Note that the first 3 decimals coincide. The cubic root of 14730240 is about 245.1338432919.

Adding to 14730240 its reverse (4203741), we get a palindrome (18933981).

The spelling of 14730240 in words is "fourteen million, seven hundred thirty thousand, two hundred forty".