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214525312 = 2717311317
BaseRepresentation
bin11001100100101…
…10010110000000
3112221200000101221
430302112112000
5414404302222
633142004424
75213302141
oct1462262600
9487600357
10214525312
11100104051
125ba16714
13355a1871
14206c3ac8
1513c780c7
hexcc96580

214525312 has 64 divisors (see below), whose sum is σ = 455401440. Its totient is φ = 100311040.

The previous prime is 214525309. The next prime is 214525321. The reversal of 214525312 is 213525412.

214525312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×2145253122 = 92042218977394688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676578 + ... + 676894.

Almost surely, 2214525312 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 214525312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227700720).

214525312 is an abundant number, since it is smaller than the sum of its proper divisors (240876128).

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

214525312 is a wasteful number, since it uses less digits than its factorization.

214525312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 647 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 214525312 is about 14646.6826278171. The cubic root of 214525312 is about 598.6314288767.

The spelling of 214525312 in words is "two hundred fourteen million, five hundred twenty-five thousand, three hundred twelve".

Divisors: 1 2 4 8 16 17 32 34 64 68 128 136 272 311 317 544 622 634 1088 1244 1268 2176 2488 2536 4976 5072 5287 5389 9952 10144 10574 10778 19904 20288 21148 21556 39808 40576 42296 43112 84592 86224 98587 169184 172448 197174 338368 344896 394348 676736 689792 788696 1577392 1675979 3154784 3351958 6309568 6703916 12619136 13407832 26815664 53631328 107262656 214525312