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104437019 = 656315913
BaseRepresentation
bin1100011100110…
…01010100011011
321021111221122202
412032121110123
5203213441034
614210240415
72405462051
oct616312433
9237457582
10104437019
1153a52095
122ab8610b
131883826b
14dc281d1
15927e47e
hex639951b

104437019 has 4 divisors (see below), whose sum is σ = 104459496. Its totient is φ = 104414544.

The previous prime is 104437009. The next prime is 104437031. The reversal of 104437019 is 910734401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-104437019 is a prime.

It is a super-2 number, since 2×1044370192 = 21814181875212722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104436982 and 104437000.

It is not an unprimeable number, because it can be changed into a prime (104437009) 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, 1394 + ... + 14519.

It is an arithmetic number, because the mean of its divisors is an integer number (26114874).

Almost surely, 2104437019 is an apocalyptic number.

104437019 is a deficient number, since it is larger than the sum of its proper divisors (22477).

104437019 is an equidigital number, since it uses as much as digits as its factorization.

104437019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22476.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 104437019 is about 10219.4431844401. The cubic root of 104437019 is about 470.9247208482.

The spelling of 104437019 in words is "one hundred four million, four hundred thirty-seven thousand, nineteen".

Divisors: 1 6563 15913 104437019