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1378048354 = 24211636637
BaseRepresentation
bin101001000100011…
…0101100101100010
310120001001002221221
41102020311211202
510310240021404
6344424205254
746102134454
oct12210654542
93501032857
101378048354
11647966141
1232560982a
1318c663c37
14d103a2d4
1580eaa954
hex52235962

1378048354 has 8 divisors (see below), whose sum is σ = 2071983708. Its totient is φ = 687387120.

The previous prime is 1378048337. The next prime is 1378048367. The reversal of 1378048354 is 4538408731.

It can be written as a sum of positive squares in 2 ways, for example, as 1084714225 + 293334129 = 32935^2 + 17127^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1378048354.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817477 + ... + 819160.

Almost surely, 21378048354 is an apocalyptic number.

1378048354 is a deficient number, since it is larger than the sum of its proper divisors (693935354).

1378048354 is a wasteful number, since it uses less digits than its factorization.

1378048354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637060.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 1378048354 is about 37122.0736759142. The cubic root of 1378048354 is about 1112.8111937412.

The spelling of 1378048354 in words is "one billion, three hundred seventy-eight million, forty-eight thousand, three hundred fifty-four".

Divisors: 1 2 421 842 1636637 3273274 689024177 1378048354