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30124353 = 371434493
BaseRepresentation
bin111001011101…
…0100101000001
32002200110211210
41302322211001
530202434403
62553400333
7514024050
oct162724501
962613753
1030124353
1116005966
12a1090a9
13631977c
144002397
1529a0b03
hex1cba941

30124353 has 8 divisors (see below), whose sum is σ = 45903808. Its totient is φ = 17213904.

The previous prime is 30124351. The next prime is 30124363. The reversal of 30124353 is 35342103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30124353 - 21 = 30124351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1434493 = 30124353 / (3 + 0 + 1 + 2 + 4 + 3 + 5 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30124351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717226 + ... + 717267.

It is an arithmetic number, because the mean of its divisors is an integer number (5737976).

Almost surely, 230124353 is an apocalyptic number.

It is an amenable number.

30124353 is a deficient number, since it is larger than the sum of its proper divisors (15779455).

30124353 is a wasteful number, since it uses less digits than its factorization.

30124353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434503.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 30124353 is about 5488.5656596237. The cubic root of 30124353 is about 311.1519850728.

Adding to 30124353 its reverse (35342103), we get a palindrome (65466456).

The spelling of 30124353 in words is "thirty million, one hundred twenty-four thousand, three hundred fifty-three".

Divisors: 1 3 7 21 1434493 4303479 10041451 30124353