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214744 = 23171579
BaseRepresentation
bin110100011011011000
3101220120111
4310123120
523332434
64334104
71553035
oct643330
9356514
10214744
11137382
12a4334
137698a
145838c
1543964
hex346d8

214744 has 16 divisors (see below), whose sum is σ = 426600. Its totient is φ = 100992.

The previous prime is 214741. The next prime is 214759. The reversal of 214744 is 447412.

214744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2147442 = 92229971072, which contains 22 as substring.

It is a nialpdrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214741) 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, 654 + ... + 925.

2214744 is an apocalyptic number.

It is an amenable number.

214744 is a deficient number, since it is larger than the sum of its proper divisors (211856).

214744 is a wasteful number, since it uses less digits than its factorization.

214744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602 (or 1598 counting only the distinct ones).

The product of its digits is 896, while the sum is 22.

The square root of 214744 is about 463.4047906528. The cubic root of 214744 is about 59.8834775589.

The spelling of 214744 in words is "two hundred fourteen thousand, seven hundred forty-four", and thus it is an iban number.

Divisors: 1 2 4 8 17 34 68 136 1579 3158 6316 12632 26843 53686 107372 214744