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32730101 = 64151061
BaseRepresentation
bin111110011011…
…0101111110101
32021120212020222
41330312233311
531334330401
63125304125
7545126015
oct174665765
967525228
1032730101
1117525678
12ab65045
136a1c831
1444bdc45
152d17c1b
hex1f36bf5

32730101 has 4 divisors (see below), whose sum is σ = 32781804. Its totient is φ = 32678400.

The previous prime is 32730091. The next prime is 32730107. The reversal of 32730101 is 10103723.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10103723 = 71443389.

It can be written as a sum of positive squares in 2 ways, for example, as 13140625 + 19589476 = 3625^2 + 4426^2 .

It is a cyclic number.

It is not a de Polignac number, because 32730101 - 214 = 32713717 is a prime.

It is a super-2 number, since 2×327301012 = 2142519022940402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32730101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32730107) 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, 24890 + ... + 26171.

It is an arithmetic number, because the mean of its divisors is an integer number (8195451).

Almost surely, 232730101 is an apocalyptic number.

It is an amenable number.

32730101 is a deficient number, since it is larger than the sum of its proper divisors (51703).

32730101 is an equidigital number, since it uses as much as digits as its factorization.

32730101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51702.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 32730101 is about 5721.0227232550. The cubic root of 32730101 is about 319.8765832665.

Adding to 32730101 its reverse (10103723), we get a palindrome (42833824).

The spelling of 32730101 in words is "thirty-two million, seven hundred thirty thousand, one hundred one".

Divisors: 1 641 51061 32730101