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107348221 = 874112281
BaseRepresentation
bin1100110011000…
…00000011111101
321110222212002001
412121200003331
5204440120341
614352502301
72442305401
oct631400375
9243885061
10107348221
1155660342
122bb4a991
1319317376
1410385101
159656d31
hex66600fd

107348221 has 4 divisors (see below), whose sum is σ = 107369244. Its totient is φ = 107327200.

The previous prime is 107348191. The next prime is 107348239. The reversal of 107348221 is 122843701.

It can be divided in two parts, 1073 and 48221, that added together give a palindrome (49294).

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 57927321 + 49420900 = 7611^2 + 7030^2 .

It is a cyclic number.

It is not a de Polignac number, because 107348221 - 213 = 107340029 is a prime.

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 107348221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107348321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2601 + ... + 14881.

It is an arithmetic number, because the mean of its divisors is an integer number (26842311).

Almost surely, 2107348221 is an apocalyptic number.

It is an amenable number.

107348221 is a deficient number, since it is larger than the sum of its proper divisors (21023).

107348221 is an equidigital number, since it uses as much as digits as its factorization.

107348221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21022.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 107348221 is about 10360.8986579350. The cubic root of 107348221 is about 475.2603868742.

The spelling of 107348221 in words is "one hundred seven million, three hundred forty-eight thousand, two hundred twenty-one".

Divisors: 1 8741 12281 107348221