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30261101 = 132327777
BaseRepresentation
bin111001101101…
…1111101101101
32002221102102112
41303123331231
530221323401
63000333405
7515133533
oct163337555
962842375
1030261101
1116099682
12a174265
136366aa0
14403a153
1529cb3bb
hex1cdbf6d

30261101 has 4 divisors (see below), whose sum is σ = 32588892. Its totient is φ = 27933312.

The previous prime is 30261097. The next prime is 30261103. The reversal of 30261101 is 10116203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4515625 + 25745476 = 2125^2 + 5074^2 .

It is a cyclic number.

It is not a de Polignac number, because 30261101 - 22 = 30261097 is a prime.

It is a super-3 number, since 3×302611013 (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30261103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1163876 + ... + 1163901.

It is an arithmetic number, because the mean of its divisors is an integer number (8147223).

Almost surely, 230261101 is an apocalyptic number.

It is an amenable number.

30261101 is a deficient number, since it is larger than the sum of its proper divisors (2327791).

30261101 is a wasteful number, since it uses less digits than its factorization.

30261101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327790.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 30261101 is about 5501.0090892490. The cubic root of 30261101 is about 311.6220940894.

Adding to 30261101 its reverse (10116203), we get a palindrome (40377304).

The spelling of 30261101 in words is "thirty million, two hundred sixty-one thousand, one hundred one".

Divisors: 1 13 2327777 30261101