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214952816 = 24131033427
BaseRepresentation
bin11001100111111…
…10101101110000
3112222110201211102
430303332231300
5420011442231
633155103532
75220032411
oct1463765560
9488421742
10214952816
11100376261
125bba1ba8
13356c1320
1420795808
1513d0eacb
hexccfeb70

214952816 has 20 divisors (see below), whose sum is σ = 448507752. Its totient is φ = 99208896.

The previous prime is 214952809. The next prime is 214952839. The reversal of 214952816 is 618259412.

It is a self number, because there is not a number n which added to its sum of digits gives 214952816.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516506 + ... + 516921.

Almost surely, 2214952816 is an apocalyptic number.

214952816 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

214952816 is an abundant number, since it is smaller than the sum of its proper divisors (233554936).

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

214952816 is a wasteful number, since it uses less digits than its factorization.

214952816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033448 (or 1033442 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 214952816 is about 14661.2692492840. The cubic root of 214952816 is about 599.0288140297.

The spelling of 214952816 in words is "two hundred fourteen million, nine hundred fifty-two thousand, eight hundred sixteen".

Divisors: 1 2 4 8 13 16 26 52 104 208 1033427 2066854 4133708 8267416 13434551 16534832 26869102 53738204 107476408 214952816