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378413874 = 23237568189
BaseRepresentation
bin10110100011100…
…010001100110010
3222101001102020200
4112203202030302
51233333220444
6101314420030
712243315306
oct2643421462
9871042220
10378413874
11184671a43
12a6891616
1360524247
1438385d06
152334c969
hex168e2332

378413874 has 24 divisors (see below), whose sum is σ = 842057580. Its totient is φ = 122728608.

The previous prime is 378413857. The next prime is 378413891. The reversal of 378413874 is 478314873.

It is an interprime number because it is at equal distance from previous prime (378413857) and next prime (378413891).

It can be written as a sum of positive squares in 2 ways, for example, as 376631649 + 1782225 = 19407^2 + 1335^2 .

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 11 ways as a sum of consecutive naturals, for example, 283429 + ... + 284760.

Almost surely, 2378413874 is an apocalyptic number.

378413874 is an abundant number, since it is smaller than the sum of its proper divisors (463643706).

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

378413874 is a wasteful number, since it uses less digits than its factorization.

378413874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568234 (or 568231 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 378413874 is about 19452.8628741376. The cubic root of 378413874 is about 723.3064706247.

Subtracting 378413874 from its reverse (478314873), we obtain a palindrome (99900999).

The spelling of 378413874 in words is "three hundred seventy-eight million, four hundred thirteen thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 9 18 37 74 111 222 333 666 568189 1136378 1704567 3409134 5113701 10227402 21022993 42045986 63068979 126137958 189206937 378413874