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30135436 = 227533859
BaseRepresentation
bin111001011110…
…1010010001100
32002201001001021
41302331102030
530203313221
62553523524
7514101262
oct162752214
962631037
1030135436
1116013221
12a1135a4
136321826
144006432
1529a4041
hex1cbd48c

30135436 has 6 divisors (see below), whose sum is σ = 52737020. Its totient is φ = 15067716.

The previous prime is 30135421. The next prime is 30135439. The reversal of 30135436 is 63453103.

It is a self number, because there is not a number n which added to its sum of digits gives 30135436.

It is not an unprimeable number, because it can be changed into a prime (30135439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3766926 + ... + 3766933.

Almost surely, 230135436 is an apocalyptic number.

It is an amenable number.

30135436 is a deficient number, since it is larger than the sum of its proper divisors (22601584).

30135436 is a wasteful number, since it uses less digits than its factorization.

30135436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7533863 (or 7533861 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 30135436 is about 5489.5752112527. The cubic root of 30135436 is about 311.1901388619.

Adding to 30135436 its reverse (63453103), we get a palindrome (93588539).

The spelling of 30135436 in words is "thirty million, one hundred thirty-five thousand, four hundred thirty-six".

Divisors: 1 2 4 7533859 15067718 30135436