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30240414 = 2321680023
BaseRepresentation
bin111001101011…
…0111010011110
32002220101001100
41303112322132
530220143124
63000053530
7515016321
oct163267236
962811040
1030240414
1116085086
12a1642a6
13635a549
1440327b8
1529c51c9
hex1cd6e9e

30240414 has 12 divisors (see below), whose sum is σ = 65520936. Its totient is φ = 10080132.

The previous prime is 30240401. The next prime is 30240437. The reversal of 30240414 is 41404203.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1680023 = 30240414 / (3 + 0 + 2 + 4 + 0 + 4 + 1 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 839994 + ... + 840029.

It is an arithmetic number, because the mean of its divisors is an integer number (5460078).

Almost surely, 230240414 is an apocalyptic number.

30240414 is an abundant number, since it is smaller than the sum of its proper divisors (35280522).

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

30240414 is a wasteful number, since it uses less digits than its factorization.

30240414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680031 (or 1680028 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 30240414 is about 5499.1284764042. The cubic root of 30240414 is about 311.5510678589.

Adding to 30240414 its reverse (41404203), we get a palindrome (71644617).

The spelling of 30240414 in words is "thirty million, two hundred forty thousand, four hundred fourteen".

Divisors: 1 2 3 6 9 18 1680023 3360046 5040069 10080138 15120207 30240414