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8904421442 = 276110426723
BaseRepresentation
bin10000100101011111…
…01011000001000010
3211222120020110212202
420102233223001002
5121214012441232
64031324353202
7433442222240
oct102257530102
924876213782
108904421442
11385a34a694
1218860a5802
13abba27137
14606855790
15371aec162
hex212beb042

8904421442 has 16 divisors (see below), whose sum is σ = 15514965312. Its totient is φ = 3753619920.

The previous prime is 8904421439. The next prime is 8904421447. The reversal of 8904421442 is 2441244098.

It is a junction number, because it is equal to n+sod(n) for n = 8904421396 and 8904421405.

It is not an unprimeable number, because it can be changed into a prime (8904421447) 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, 5212508 + ... + 5214215.

It is an arithmetic number, because the mean of its divisors is an integer number (969685332).

Almost surely, 28904421442 is an apocalyptic number.

8904421442 is a deficient number, since it is larger than the sum of its proper divisors (6610543870).

8904421442 is a wasteful number, since it uses less digits than its factorization.

8904421442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10426793.

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 8904421442 is about 94363.2420066204. The cubic root of 8904421442 is about 2072.6942165339.

The spelling of 8904421442 in words is "eight billion, nine hundred four million, four hundred twenty-one thousand, four hundred forty-two".

Divisors: 1 2 7 14 61 122 427 854 10426723 20853446 72987061 145974122 636030103 1272060206 4452210721 8904421442