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30211113 = 353251757
BaseRepresentation
bin111001100111…
…1110000101001
32002211212212010
41303033300221
530213223423
62555310133
7514535022
oct163176051
962755763
1030211113
1116065069
12a14b349
13634a0ca
144025c49
1529bb693
hex1ccfc29

30211113 has 16 divisors (see below), whose sum is σ = 41259456. Its totient is φ = 19656000.

The previous prime is 30211109. The next prime is 30211117. The reversal of 30211113 is 31111203.

It is an interprime number because it is at equal distance from previous prime (30211109) and next prime (30211117).

It is not a de Polignac number, because 30211113 - 22 = 30211109 is a prime.

It is a super-2 number, since 2×302111132 = 1825422697397538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30211117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39531 + ... + 40287.

It is an arithmetic number, because the mean of its divisors is an integer number (2578716).

Almost surely, 230211113 is an apocalyptic number.

It is an amenable number.

30211113 is a deficient number, since it is larger than the sum of its proper divisors (11048343).

30211113 is a wasteful number, since it uses less digits than its factorization.

30211113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 30211113 is about 5496.4636813136. The cubic root of 30211113 is about 311.4504110820.

Adding to 30211113 its reverse (31111203), we get a palindrome (61322316).

The spelling of 30211113 in words is "thirty million, two hundred eleven thousand, one hundred thirteen".

Divisors: 1 3 53 159 251 753 757 2271 13303 39909 40121 120363 190007 570021 10070371 30211113