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378814443 = 3722988861
BaseRepresentation
bin10110100101000…
…011111111101011
3222101210202201120
4112211003333223
51233434030233
6101331150323
712246604200
oct2645037753
9871722646
10378814443
11184915997
12a6a453a3
1360634677
143844bca7
15233cb4b3
hex16943feb

378814443 has 24 divisors (see below), whose sum is σ = 607816080. Its totient is φ = 208998720.

The previous prime is 378814433. The next prime is 378814463. The reversal of 378814443 is 344418873.

It is not a de Polignac number, because 378814443 - 24 = 378814427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 378814395 and 378814404.

It is not an unprimeable number, because it can be changed into a prime (378814433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40168 + ... + 48693.

It is an arithmetic number, because the mean of its divisors is an integer number (25325670).

Almost surely, 2378814443 is an apocalyptic number.

378814443 is a deficient number, since it is larger than the sum of its proper divisors (229001637).

378814443 is a wasteful number, since it uses less digits than its factorization.

378814443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88907 (or 88900 counting only the distinct ones).

The product of its digits is 258048, while the sum is 42.

The square root of 378814443 is about 19463.1560390395. The cubic root of 378814443 is about 723.5615986711.

It can be divided in two parts, 37881 and 4443, that added together give a palindrome (42324).

The spelling of 378814443 in words is "three hundred seventy-eight million, eight hundred fourteen thousand, four hundred forty-three".

Divisors: 1 3 7 21 29 49 87 147 203 609 1421 4263 88861 266583 622027 1866081 2576969 4354189 7730907 13062567 18038783 54116349 126271481 378814443