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110404421 = 1929200371
BaseRepresentation
bin1101001010010…
…10001101000101
321200202010101122
412211022031011
5211230420141
614542203325
72510264531
oct645121505
9250663348
10110404421
1157358526
1230b83545
1319b4747a
141093cbc1
159a5c64b
hex694a345

110404421 has 8 divisors (see below), whose sum is σ = 120223200. Its totient is φ = 100986480.

The previous prime is 110404391. The next prime is 110404433. The reversal of 110404421 is 124404011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-110404421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110404421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110404471) 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, 99635 + ... + 100736.

It is an arithmetic number, because the mean of its divisors is an integer number (15027900).

Almost surely, 2110404421 is an apocalyptic number.

It is an amenable number.

110404421 is a deficient number, since it is larger than the sum of its proper divisors (9818779).

110404421 is a wasteful number, since it uses less digits than its factorization.

110404421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200419.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 110404421 is about 10507.3508078868. The cubic root of 110404421 is about 479.7284647668.

Adding to 110404421 its reverse (124404011), we get a palindrome (234808432).

The spelling of 110404421 in words is "one hundred ten million, four hundred four thousand, four hundred twenty-one".

Divisors: 1 19 29 551 200371 3807049 5810759 110404421