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8979750490 = 25897975049
BaseRepresentation
bin10000101110011110…
…00001111001011010
3212011210222120220111
420113033001321122
5121342304003430
64043015114534
7435345422404
oct102717017132
925153876814
108979750490
1138989204a7
1218a7372a4a
13b01510439
14612863b74
1537852bc2a
hex2173c1e5a

8979750490 has 8 divisors (see below), whose sum is σ = 16163550900. Its totient is φ = 3591900192.

The previous prime is 8979750473. The next prime is 8979750529. The reversal of 8979750490 is 940579798.

It is a happy number.

8979750490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7617623841 + 1362126649 = 87279^2 + 36907^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448987515 + ... + 448987534.

Almost surely, 28979750490 is an apocalyptic number.

8979750490 is a deficient number, since it is larger than the sum of its proper divisors (7183800410).

8979750490 is a wasteful number, since it uses less digits than its factorization.

8979750490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897975056.

The product of its (nonzero) digits is 5715360, while the sum is 58.

The square root of 8979750490 is about 94761.5454179595. The cubic root of 8979750490 is about 2078.5226264791.

The spelling of 8979750490 in words is "eight billion, nine hundred seventy-nine million, seven hundred fifty thousand, four hundred ninety".

Divisors: 1 2 5 10 897975049 1795950098 4489875245 8979750490