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30500353 = 1313916879
BaseRepresentation
bin111010001011…
…0011000000001
32010101120121201
41310112120001
530302002403
63005421201
7520151212
oct164263001
963346551
1030500353
1116242404
12a26a801
13641b960
14409d409
152a2721d
hex1d16601

30500353 has 8 divisors (see below), whose sum is σ = 33084800. Its totient is φ = 27949968.

The previous prime is 30500317. The next prime is 30500381. The reversal of 30500353 is 35300503.

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

It is a cyclic number.

It is not a de Polignac number, because 30500353 - 29 = 30499841 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30500353.

It is not an unprimeable number, because it can be changed into a prime (30500303) 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, 6633 + ... + 10246.

It is an arithmetic number, because the mean of its divisors is an integer number (4135600).

Almost surely, 230500353 is an apocalyptic number.

It is an amenable number.

30500353 is a deficient number, since it is larger than the sum of its proper divisors (2584447).

30500353 is a wasteful number, since it uses less digits than its factorization.

30500353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17031.

The product of its (nonzero) digits is 675, while the sum is 19.

The square root of 30500353 is about 5522.7124676195. The cubic root of 30500353 is about 312.4411938412.

Adding to 30500353 its reverse (35300503), we get a palindrome (65800856).

The spelling of 30500353 in words is "thirty million, five hundred thousand, three hundred fifty-three".

Divisors: 1 13 139 1807 16879 219427 2346181 30500353