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379638 = 232723131
BaseRepresentation
bin1011100101011110110
3201021202200
41130223312
544122023
612045330
73140550
oct1345366
9637680
10379638
1123a256
12163846
13103a4c
149c4d0
1577743
hex5caf6

379638 has 48 divisors (see below), whose sum is σ = 988416. Its totient is φ = 102960.

The previous prime is 379633. The next prime is 379649. The reversal of 379638 is 836973.

It is a super-2 number, since 2×3796382 = 288250022088, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 379638.

It is not an unprimeable number, because it can be changed into a prime (379633) by changing a digit.

379638 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2833 + ... + 2963.

It is an arithmetic number, because the mean of its divisors is an integer number (20592).

2379638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 379638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494208).

379638 is an abundant number, since it is smaller than the sum of its proper divisors (608778).

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

379638 is a wasteful number, since it uses less digits than its factorization.

379638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 166 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 379638 is about 616.1477095632. The cubic root of 379638 is about 72.4085569284.

The spelling of 379638 in words is "three hundred seventy-nine thousand, six hundred thirty-eight".

Divisors: 1 2 3 6 7 9 14 18 21 23 42 46 63 69 126 131 138 161 207 262 322 393 414 483 786 917 966 1179 1449 1834 2358 2751 2898 3013 5502 6026 8253 9039 16506 18078 21091 27117 42182 54234 63273 126546 189819 379638