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8492420 = 225616961
BaseRepresentation
bin100000011001…
…010110000100
3120222110102002
4200121112010
54133224140
6502004432
7132120146
oct40312604
916873362
108492420
114880532
122a16718
1319b4601
1411b0c96
15b2b415
hex819584

8492420 has 24 divisors (see below), whose sum is σ = 18129048. Its totient is φ = 3340800.

The previous prime is 8492417. The next prime is 8492423. The reversal of 8492420 is 242948.

It is an interprime number because it is at equal distance from previous prime (8492417) and next prime (8492423).

It can be written as a sum of positive squares in 4 ways, for example, as 244036 + 8248384 = 494^2 + 2872^2 .

It is not an unprimeable number, because it can be changed into a prime (8492423) 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, 2261 + ... + 4700.

It is an arithmetic number, because the mean of its divisors is an integer number (755377).

Almost surely, 28492420 is an apocalyptic number.

It is an amenable number.

8492420 is an abundant number, since it is smaller than the sum of its proper divisors (9636628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8492420 is a wasteful number, since it uses less digits than its factorization.

8492420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7031 (or 7029 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 8492420 is about 2914.1756982035. The cubic root of 8492420 is about 204.0220724547.

The spelling of 8492420 in words is "eight million, four hundred ninety-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 6961 13922 27844 34805 69610 139220 424621 849242 1698484 2123105 4246210 8492420