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8490024 = 2332117917
BaseRepresentation
bin100000011000…
…110000101000
3120222100010100
4200120300220
54133140044
6501545400
7132110154
oct40306050
916870110
108490024
114879754
122a15260
1319b34aa
1411b0064
15b2a869
hex818c28

8490024 has 24 divisors (see below), whose sum is σ = 22994010. Its totient is φ = 2829984.

The previous prime is 8490023. The next prime is 8490043. The reversal of 8490024 is 4200948.

It can be written as a sum of positive squares in only one way, i.e., 7387524 + 1102500 = 2718^2 + 1050^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 8490024.

It is not an unprimeable number, because it can be changed into a prime (8490023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58887 + ... + 59030.

Almost surely, 28490024 is an apocalyptic number.

It is an amenable number.

8490024 is an abundant number, since it is smaller than the sum of its proper divisors (14503986).

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

8490024 is a wasteful number, since it uses less digits than its factorization.

8490024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117929 (or 117922 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 8490024 is about 2913.7645752531. The cubic root of 8490024 is about 204.0028834656.

The spelling of 8490024 in words is "eight million, four hundred ninety thousand, twenty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 117917 235834 353751 471668 707502 943336 1061253 1415004 2122506 2830008 4245012 8490024