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494143078 = 211131727773
BaseRepresentation
bin11101011101000…
…000011001100110
31021102211001212111
4131131000121212
52003000034303
6121011111234
715150101242
oct3535003146
91242731774
10494143078
11233a27010
121195a251a
137b4b4270
14498ad422
152d5acb6d
hex1d740666

494143078 has 16 divisors (see below), whose sum is σ = 870798096. Its totient is φ = 207332640.

The previous prime is 494143049. The next prime is 494143079. The reversal of 494143078 is 870341494.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 494143078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494143079) 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, 863601 + ... + 864172.

It is an arithmetic number, because the mean of its divisors is an integer number (54424881).

Almost surely, 2494143078 is an apocalyptic number.

494143078 is a deficient number, since it is larger than the sum of its proper divisors (376655018).

494143078 is a wasteful number, since it uses less digits than its factorization.

494143078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727799.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 494143078 is about 22229.3292296461. The cubic root of 494143078 is about 790.5892511304.

The spelling of 494143078 in words is "four hundred ninety-four million, one hundred forty-three thousand, seventy-eight".

Divisors: 1 2 11 13 22 26 143 286 1727773 3455546 19005503 22461049 38011006 44922098 247071539 494143078