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104145213 = 31719313467
BaseRepresentation
bin1100011010100…
…10000100111101
321020222010101010
412031102010331
5203130121323
614200105433
72403135234
oct615220475
9236863333
10104145213
1153872927
122aa65279
13187654b3
14db8db1b
159222c93
hex635213d

104145213 has 32 divisors (see below), whose sum is σ = 159805440. Its totient is φ = 59892480.

The previous prime is 104145157. The next prime is 104145221. The reversal of 104145213 is 312541401.

It is not a de Polignac number, because 104145213 - 29 = 104144701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104145213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104145253) 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 31 ways as a sum of consecutive naturals, for example, 28306 + ... + 31772.

It is an arithmetic number, because the mean of its divisors is an integer number (4993920).

Almost surely, 2104145213 is an apocalyptic number.

It is an amenable number.

104145213 is a deficient number, since it is larger than the sum of its proper divisors (55660227).

104145213 is a wasteful number, since it uses less digits than its factorization.

104145213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3537.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 104145213 is about 10205.1561967468. The cubic root of 104145213 is about 470.4857103454.

Adding to 104145213 its reverse (312541401), we get a palindrome (416686614).

The spelling of 104145213 in words is "one hundred four million, one hundred forty-five thousand, two hundred thirteen".

Divisors: 1 3 17 19 31 51 57 93 323 527 589 969 1581 1767 3467 10013 10401 30039 58939 65873 107477 176817 197619 322431 1119841 1827109 2042063 3359523 5481327 6126189 34715071 104145213