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30135053 = 138272803
BaseRepresentation
bin111001011110…
…1001100001101
32002201000112002
41302331030031
530203310203
62553522045
7514100204
oct162751415
962630462
1030135053
1116012a03
12a113325
1363215c0
14400623b
1529a3d88
hex1cbd30d

30135053 has 8 divisors (see below), whose sum is σ = 32503968. Its totient is φ = 27773424.

The previous prime is 30135047. The next prime is 30135071. The reversal of 30135053 is 35053103.

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 30135053 - 210 = 30134029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30135013) 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, 9350 + ... + 12152.

It is an arithmetic number, because the mean of its divisors is an integer number (4062996).

Almost surely, 230135053 is an apocalyptic number.

It is an amenable number.

30135053 is a deficient number, since it is larger than the sum of its proper divisors (2368915).

30135053 is a wasteful number, since it uses less digits than its factorization.

30135053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643.

The product of its (nonzero) digits is 675, while the sum is 20.

The square root of 30135053 is about 5489.5403268398. The cubic root of 30135053 is about 311.1888205210.

Adding to 30135053 its reverse (35053103), we get a palindrome (65188156).

The spelling of 30135053 in words is "thirty million, one hundred thirty-five thousand, fifty-three".

Divisors: 1 13 827 2803 10751 36439 2318081 30135053