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104442897 = 3133772379
BaseRepresentation
bin1100011100110…
…10110000010001
321021112020201110
412032122300101
5203214133042
614210323533
72405515146
oct616326021
9237466643
10104442897
1153a56549
122ab895a9
131883ab40
14dc2a3cd
15928109c
hex639ac11

104442897 has 16 divisors (see below), whose sum is σ = 154024640. Its totient is φ = 62534592.

The previous prime is 104442889. The next prime is 104442953. The reversal of 104442897 is 798244401.

It is not a de Polignac number, because 104442897 - 23 = 104442889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104442827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34747 + ... + 37632.

It is an arithmetic number, because the mean of its divisors is an integer number (9626540).

Almost surely, 2104442897 is an apocalyptic number.

It is an amenable number.

104442897 is a deficient number, since it is larger than the sum of its proper divisors (49581743).

104442897 is a wasteful number, since it uses less digits than its factorization.

104442897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72432.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 104442897 is about 10219.7307694479. The cubic root of 104442897 is about 470.9335556579.

The spelling of 104442897 in words is "one hundred four million, four hundred forty-two thousand, eight hundred ninety-seven".

Divisors: 1 3 13 37 39 111 481 1443 72379 217137 940927 2678023 2822781 8034069 34814299 104442897