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104025021 = 3231507609
BaseRepresentation
bin1100011001101…
…00101110111101
321020202000111120
412030310232331
5203112300041
614153341153
72402124642
oct614645675
9236660446
10104025021
11537a05a1
122aa077b9
1318722889
14db5bdc9
1591ec366
hex6334bbd

104025021 has 8 divisors (see below), whose sum is σ = 144730560. Its totient is φ = 66334752.

The previous prime is 104025017. The next prime is 104025029. The reversal of 104025021 is 120520401.

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

It is not a de Polignac number, because 104025021 - 22 = 104025017 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104025029) 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, 753736 + ... + 753873.

It is an arithmetic number, because the mean of its divisors is an integer number (18091320).

Almost surely, 2104025021 is an apocalyptic number.

It is an amenable number.

104025021 is a deficient number, since it is larger than the sum of its proper divisors (40705539).

104025021 is a wasteful number, since it uses less digits than its factorization.

104025021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507635.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 104025021 is about 10199.2657088636. The cubic root of 104025021 is about 470.3046478183.

Adding to 104025021 its reverse (120520401), we get a palindrome (224545422).

The spelling of 104025021 in words is "one hundred four million, twenty-five thousand, twenty-one".

Divisors: 1 3 23 69 1507609 4522827 34675007 104025021