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30013435 = 541146407
BaseRepresentation
bin111001001111…
…1011111111011
32002110211200201
41302133133323
530140412220
62551143031
7513052504
oct162373773
962424621
1030013435
1115a3a5a1
12a074a77
1362ab13a
143db3bab
15297cd0a
hex1c9f7fb

30013435 has 8 divisors (see below), whose sum is σ = 36894816. Its totient is φ = 23424960.

The previous prime is 30013433. The next prime is 30013447. The reversal of 30013435 is 53431003.

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

It is not a de Polignac number, because 30013435 - 21 = 30013433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30013433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72999 + ... + 73408.

It is an arithmetic number, because the mean of its divisors is an integer number (4611852).

Almost surely, 230013435 is an apocalyptic number.

30013435 is a deficient number, since it is larger than the sum of its proper divisors (6881381).

30013435 is a wasteful number, since it uses less digits than its factorization.

30013435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146453.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 30013435 is about 5478.4518798653. The cubic root of 30013435 is about 310.7696277493.

Adding to 30013435 its reverse (53431003), we get a palindrome (83444438).

The spelling of 30013435 in words is "thirty million, thirteen thousand, four hundred thirty-five".

Divisors: 1 5 41 205 146407 732035 6002687 30013435