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379284213 = 371119103839
BaseRepresentation
bin10110100110110…
…110101011110101
3222102200122010110
4112212312223311
51234044043323
6101345213233
712253601610
oct2646665365
9872618113
10379284213
11185106930
12a7031219
136076a439
1438531177
1523470793
hex169b6af5

379284213 has 64 divisors (see below), whose sum is σ = 670924800. Its totient is φ = 184628160.

The previous prime is 379284197. The next prime is 379284239. The reversal of 379284213 is 312482973.

It is not a de Polignac number, because 379284213 - 24 = 379284197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379284013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 451648 + ... + 452486.

It is an arithmetic number, because the mean of its divisors is an integer number (10483200).

Almost surely, 2379284213 is an apocalyptic number.

379284213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

379284213 is a deficient number, since it is larger than the sum of its proper divisors (291640587).

379284213 is a wasteful number, since it uses less digits than its factorization.

379284213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982.

The product of its digits is 72576, while the sum is 39.

The square root of 379284213 is about 19475.2204865568. The cubic root of 379284213 is about 723.8605727714.

The spelling of 379284213 in words is "three hundred seventy-nine million, two hundred eighty-four thousand, two hundred thirteen".

Divisors: 1 3 7 11 19 21 33 57 77 103 133 209 231 309 399 627 721 839 1133 1463 1957 2163 2517 3399 4389 5871 5873 7931 9229 13699 15941 17619 21527 23793 27687 41097 47823 64581 64603 86417 111587 150689 175351 193809 259251 334761 452067 526053 604919 950587 1227457 1641923 1814757 2851761 3682371 4925769 6654109 11493461 18061153 19962327 34480383 54183459 126428071 379284213