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381701241 = 3519471759
BaseRepresentation
bin10110110000000…
…100110001111001
3222121020102200000
4112300010301321
51240203414431
6101513103213
712313256415
oct2660046171
9877212600
10381701241
11186507879
12a79b7b09
136110562c
143899dd45
152379b9e6
hex16c04c79

381701241 has 48 divisors (see below), whose sum is σ = 615014400. Its totient is φ = 235811088.

The previous prime is 381701141. The next prime is 381701249. The reversal of 381701241 is 142107183.

It is not a de Polignac number, because 381701241 - 27 = 381701113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (381701249) 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 47 ways as a sum of consecutive naturals, for example, 216120 + ... + 217878.

It is an arithmetic number, because the mean of its divisors is an integer number (12812800).

Almost surely, 2381701241 is an apocalyptic number.

It is an amenable number.

381701241 is a deficient number, since it is larger than the sum of its proper divisors (233313159).

381701241 is a wasteful number, since it uses less digits than its factorization.

381701241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840 (or 1828 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 381701241 is about 19537.1758706319. The cubic root of 381701241 is about 725.3949435947.

The spelling of 381701241 in words is "three hundred eighty-one million, seven hundred one thousand, two hundred forty-one".

Divisors: 1 3 9 19 27 47 57 81 141 171 243 423 513 893 1269 1539 1759 2679 3807 4617 5277 8037 11421 15831 24111 33421 47493 72333 82673 100263 142479 216999 248019 300789 427437 744057 902367 1570787 2232171 2707101 4712361 6696513 8121303 14137083 20089539 42411249 127233747 381701241