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1378056 = 23367857
BaseRepresentation
bin101010000011100001000
32121000100010
411100130020
5323044211
645311520
714466441
oct5203410
92530303
101378056
11861399
125655a0
13393324
1427c2c8
151c34a6
hex150708

1378056 has 32 divisors (see below), whose sum is σ = 3500640. Its totient is φ = 451968.

The previous prime is 1378033. The next prime is 1378057. The reversal of 1378056 is 6508731.

1378056 is nontrivially palindromic in base 7.

It is not an unprimeable number, because it can be changed into a prime (1378057) 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 7 ways as a sum of consecutive naturals, for example, 1180 + ... + 2036.

It is an arithmetic number, because the mean of its divisors is an integer number (109395).

21378056 is an apocalyptic number.

It is an amenable number.

1378056 is an abundant number, since it is smaller than the sum of its proper divisors (2122584).

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

1378056 is a wasteful number, since it uses less digits than its factorization.

1378056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1378056 is about 1173.9062994975. The cubic root of 1378056 is about 111.2813251854.

The spelling of 1378056 in words is "one million, three hundred seventy-eight thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 24 67 134 201 268 402 536 804 857 1608 1714 2571 3428 5142 6856 10284 20568 57419 114838 172257 229676 344514 459352 689028 1378056