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214572 = 22317881
BaseRepresentation
bin110100011000101100
3101220100010
4310120230
523331242
64333220
71552401
oct643054
9356303
10214572
11137236
12a4210
1376887
14582a8
154389c
hex3462c

214572 has 12 divisors (see below), whose sum is σ = 500696. Its totient is φ = 71520.

The previous prime is 214561. The next prime is 214589. The reversal of 214572 is 275412.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2145722 = 92082286368, which contains 22 as substring.

It is a nialpdrome in base 6 and base 12.

It is an unprimeable number.

214572 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 3 ways as a sum of consecutive naturals, for example, 8929 + ... + 8952.

2214572 is an apocalyptic number.

It is an amenable number.

214572 is an abundant number, since it is smaller than the sum of its proper divisors (286124).

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

214572 is a wasteful number, since it uses less digits than its factorization.

214572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17888 (or 17886 counting only the distinct ones).

The product of its digits is 560, while the sum is 21.

The square root of 214572 is about 463.2191705877. The cubic root of 214572 is about 59.8674853243.

Adding to 214572 its reverse (275412), we get a palindrome (489984).

The spelling of 214572 in words is "two hundred fourteen thousand, five hundred seventy-two".

Divisors: 1 2 3 4 6 12 17881 35762 53643 71524 107286 214572