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378882450 = 232522336607
BaseRepresentation
bin10110100101010…
…100100110010010
3222101221020000100
4112211110212102
51233443214300
6101332433230
712250306362
oct2645244622
9871836010
10378882450
11184961aa1
12a6a78816
13606595cb
14384689a2
15233e1700
hex16954992

378882450 has 72 divisors (see below), whose sum is σ = 1062217728. Its totient is φ = 96639840.

The previous prime is 378882443. The next prime is 378882457. The reversal of 378882450 is 54288873.

It is an interprime number because it is at equal distance from previous prime (378882443) and next prime (378882457).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 378882396 and 378882405.

It is not an unprimeable number, because it can be changed into a prime (378882457) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 7954 + ... + 28653.

It is an arithmetic number, because the mean of its divisors is an integer number (14753024).

Almost surely, 2378882450 is an apocalyptic number.

378882450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

378882450 is an abundant number, since it is smaller than the sum of its proper divisors (683335278).

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

378882450 is a wasteful number, since it uses less digits than its factorization.

378882450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36648 (or 36640 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 378882450 is about 19464.9030308399. The cubic root of 378882450 is about 723.6048954269.

The spelling of 378882450 in words is "three hundred seventy-eight million, eight hundred eighty-two thousand, four hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 23 25 30 45 46 50 69 75 90 115 138 150 207 225 230 345 414 450 575 690 1035 1150 1725 2070 3450 5175 10350 36607 73214 109821 183035 219642 329463 366070 549105 658926 841961 915175 1098210 1647315 1683922 1830350 2525883 2745525 3294630 4209805 5051766 5491050 7577649 8236575 8419610 12629415 15155298 16473150 21049025 25258830 37888245 42098050 63147075 75776490 126294150 189441225 378882450