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378731348 = 2294682837
BaseRepresentation
bin10110100100101…
…111101101010100
3222101122112201222
4112210233231110
51233423400343
6101325305512
712246110012
oct2644575524
9871575658
10378731348
11184869516
12a6a05298
13606058b8
14384298b2
15233b1a68
hex1692fb54

378731348 has 6 divisors (see below), whose sum is σ = 662779866. Its totient is φ = 189365672.

The previous prime is 378731333. The next prime is 378731357. The reversal of 378731348 is 843137873.

It can be written as a sum of positive squares in only one way, i.e., 200562244 + 178169104 = 14162^2 + 13348^2 .

It is a junction number, because it is equal to n+sod(n) for n = 378731299 and 378731308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47341415 + ... + 47341422.

It is an arithmetic number, because the mean of its divisors is an integer number (110463311).

Almost surely, 2378731348 is an apocalyptic number.

It is an amenable number.

378731348 is a deficient number, since it is larger than the sum of its proper divisors (284048518).

378731348 is a wasteful number, since it uses less digits than its factorization.

378731348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94682841 (or 94682839 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The square root of 378731348 is about 19461.0212476119. The cubic root of 378731348 is about 723.5086890836.

The spelling of 378731348 in words is "three hundred seventy-eight million, seven hundred thirty-one thousand, three hundred forty-eight".

Divisors: 1 2 4 94682837 189365674 378731348