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8402656242 = 231400442707
BaseRepresentation
bin1111101001101011…
…00101101111110010
3210200121002011102110
413310311211233302
5114202034444432
63505442030150
7415140254031
oct76465455762
923617064373
108402656242
113622098002
121766048356
13a3baa4756
14599d60718
15342a35dcc
hex1f4d65bf2

8402656242 has 8 divisors (see below), whose sum is σ = 16805312496. Its totient is φ = 2800885412.

The previous prime is 8402656189. The next prime is 8402656253. The reversal of 8402656242 is 2426562048.

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

8402656242 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 8402656242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700221348 + ... + 700221359.

It is an arithmetic number, because the mean of its divisors is an integer number (2100664062).

Almost surely, 28402656242 is an apocalyptic number.

8402656242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8402656242 is a wasteful number, since it uses less digits than its factorization.

8402656242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400442712.

The product of its (nonzero) digits is 184320, while the sum is 39.

The square root of 8402656242 is about 91666.0037418453. The cubic root of 8402656242 is about 2033.0069604683.

The spelling of 8402656242 in words is "eight billion, four hundred two million, six hundred fifty-six thousand, two hundred forty-two".

Divisors: 1 2 3 6 1400442707 2800885414 4201328121 8402656242