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405412 = 22714479
BaseRepresentation
bin1100010111110100100
3202121010021
41202332210
5100433122
612404524
73305650
oct1427644
9677107
10405412
11257657
12176744
131126b7
14a7a60
15801c7
hex62fa4

405412 has 12 divisors (see below), whose sum is σ = 810880. Its totient is φ = 173736.

The previous prime is 405407. The next prime is 405413. The reversal of 405412 is 214504.

405412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

405412 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (405413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7212 + ... + 7267.

2405412 is an apocalyptic number.

It is an amenable number.

405412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

405412 is a wasteful number, since it uses less digits than its factorization.

405412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14490 (or 14488 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 405412 is about 636.7197185575. The cubic root of 405412 is about 74.0114421070.

Adding to 405412 its reverse (214504), we get a palindrome (619916).

The spelling of 405412 in words is "four hundred five thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 14479 28958 57916 101353 202706 405412