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399196 = 22753269
BaseRepresentation
bin1100001011101011100
3202021121001
41201131130
5100233241
612320044
73251560
oct1413534
9667531
10399196
11252a16
12173024
1310c915
14a56a0
157d431
hex6175c

399196 has 24 divisors (see below), whose sum is σ = 816480. Its totient is φ = 167232.

The previous prime is 399181. The next prime is 399197. The reversal of 399196 is 691993.

399196 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1350 + ... + 1618.

It is an arithmetic number, because the mean of its divisors is an integer number (34020).

2399196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 399196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408240).

399196 is an abundant number, since it is smaller than the sum of its proper divisors (417284).

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

399196 is a wasteful number, since it uses less digits than its factorization.

399196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 331 counting only the distinct ones).

The product of its digits is 13122, while the sum is 37.

The square root of 399196 is about 631.8195945046. The cubic root of 399196 is about 73.6312308385.

It can be divided in two parts, 399 and 196, that added together give a palindrome (595).

The spelling of 399196 in words is "three hundred ninety-nine thousand, one hundred ninety-six".

Divisors: 1 2 4 7 14 28 53 106 212 269 371 538 742 1076 1484 1883 3766 7532 14257 28514 57028 99799 199598 399196