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30802101 = 311933397
BaseRepresentation
bin111010110000…
…0000010110101
32010221220112120
41311200002311
530341131401
63020110153
7522546021
oct165400265
963856476
1030802101
1116429090
12a395359
1364c60c5
14413b381
152a86836
hex1d600b5

30802101 has 8 divisors (see below), whose sum is σ = 44803104. Its totient is φ = 18667920.

The previous prime is 30802091. The next prime is 30802151. The reversal of 30802101 is 10120803.

It is a happy number.

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

It is not a de Polignac number, because 30802101 - 210 = 30801077 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30802151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466666 + ... + 466731.

It is an arithmetic number, because the mean of its divisors is an integer number (5600388).

Almost surely, 230802101 is an apocalyptic number.

It is an amenable number.

30802101 is a deficient number, since it is larger than the sum of its proper divisors (14001003).

30802101 is a wasteful number, since it uses less digits than its factorization.

30802101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933411.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 30802101 is about 5549.9640539376. The cubic root of 30802101 is about 313.4681687931.

Adding to 30802101 its reverse (10120803), we get a palindrome (40922904).

It can be divided in two parts, 30802 and 101, that added together give a palindrome (30903).

The spelling of 30802101 in words is "thirty million, eight hundred two thousand, one hundred one".

Divisors: 1 3 11 33 933397 2800191 10267367 30802101