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109058821 = 2936710247
BaseRepresentation
bin1101000000000…
…01101100000101
321121012202120121
412200001230011
5210404340241
614453301541
72462661514
oct640015405
9247182517
10109058821
1156619563
12306348b1
1319795b61
14106ac67b
159893ad1
hex6801b05

109058821 has 8 divisors (see below), whose sum is σ = 113137920. Its totient is φ = 105001008.

The previous prime is 109058813. The next prime is 109058843. The reversal of 109058821 is 128850901.

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

It is a cyclic number.

It is not a de Polignac number, because 109058821 - 23 = 109058813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109053821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5520 + ... + 15766.

It is an arithmetic number, because the mean of its divisors is an integer number (14142240).

Almost surely, 2109058821 is an apocalyptic number.

It is an amenable number.

109058821 is a deficient number, since it is larger than the sum of its proper divisors (4079099).

109058821 is a wasteful number, since it uses less digits than its factorization.

109058821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10643.

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 109058821 is about 10443.1231439642. The cubic root of 109058821 is about 477.7715290912.

The spelling of 109058821 in words is "one hundred nine million, fifty-eight thousand, eight hundred twenty-one".

Divisors: 1 29 367 10247 10643 297163 3760649 109058821