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381419834 = 21011888217
BaseRepresentation
bin10110101111000…
…000000100111010
3222120201010122112
4112233000010322
51240120413314
6101503052322
712311005115
oct2657000472
9876633575
10381419834
11186335404
12a78a10a2
1361037513
143892957c
152374343e
hex16bc013a

381419834 has 8 divisors (see below), whose sum is σ = 577794708. Its totient is φ = 188821600.

The previous prime is 381419807. The next prime is 381419873. The reversal of 381419834 is 438914183.

It can be written as a sum of positive squares in 2 ways, for example, as 351750025 + 29669809 = 18755^2 + 5447^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 381419791 and 381419800.

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, 943907 + ... + 944310.

Almost surely, 2381419834 is an apocalyptic number.

381419834 is a deficient number, since it is larger than the sum of its proper divisors (196374874).

381419834 is a wasteful number, since it uses less digits than its factorization.

381419834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888320.

The product of its digits is 82944, while the sum is 41.

The square root of 381419834 is about 19529.9727086343. The cubic root of 381419834 is about 725.2166353802.

The spelling of 381419834 in words is "three hundred eighty-one million, four hundred nineteen thousand, eight hundred thirty-four".

Divisors: 1 2 101 202 1888217 3776434 190709917 381419834