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30240716 = 2211687289
BaseRepresentation
bin111001101011…
…0111111001100
32002220101110112
41303112333030
530220200331
63000055152
7515020232
oct163267714
962811415
1030240716
1116085330
12a1644b8
13635a71c
144032952
1529c532b
hex1cd6fcc

30240716 has 12 divisors (see below), whose sum is σ = 57732360. Its totient is φ = 13745760.

The previous prime is 30240709. The next prime is 30240719. The reversal of 30240716 is 61704203.

It is a junction number, because it is equal to n+sod(n) for n = 30240691 and 30240700.

It is not an unprimeable number, because it can be changed into a prime (30240719) 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, 343601 + ... + 343688.

It is an arithmetic number, because the mean of its divisors is an integer number (4811030).

Almost surely, 230240716 is an apocalyptic number.

It is an amenable number.

30240716 is a deficient number, since it is larger than the sum of its proper divisors (27491644).

30240716 is a wasteful number, since it uses less digits than its factorization.

30240716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687304 (or 687302 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 30240716 is about 5499.1559352322. The cubic root of 30240716 is about 311.5521049711.

Adding to 30240716 its reverse (61704203), we get a palindrome (91944919).

The spelling of 30240716 in words is "thirty million, two hundred forty thousand, seven hundred sixteen".

Divisors: 1 2 4 11 22 44 687289 1374578 2749156 7560179 15120358 30240716