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8253380478 = 237196509059
BaseRepresentation
bin1111010111111000…
…01001011101111110
3210022012012011120110
413223330021131332
5113400331133403
63442550330450
7411345401520
oct75374113576
923265164513
108253380478
1135558aaa02
121724059a26
13a16b9a3b5
145841c3a10
1533489b103
hex1ebf0977e

8253380478 has 16 divisors (see below), whose sum is σ = 18864869760. Its totient is φ = 2358108696.

The previous prime is 8253380431. The next prime is 8253380491. The reversal of 8253380478 is 8740833528.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98254488 + ... + 98254571.

It is an arithmetic number, because the mean of its divisors is an integer number (1179054360).

Almost surely, 28253380478 is an apocalyptic number.

8253380478 is an abundant number, since it is smaller than the sum of its proper divisors (10611489282).

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

8253380478 is a wasteful number, since it uses less digits than its factorization.

8253380478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196509071.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The square root of 8253380478 is about 90848.1176359753. The cubic root of 8253380478 is about 2020.8959589470.

The spelling of 8253380478 in words is "eight billion, two hundred fifty-three million, three hundred eighty thousand, four hundred seventy-eight".

Divisors: 1 2 3 6 7 14 21 42 196509059 393018118 589527177 1179054354 1375563413 2751126826 4126690239 8253380478