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214729768 = 23112440111
BaseRepresentation
bin11001100110010…
…00010000101000
3112222001101212101
430303020100220
5414432323033
633150223144
75215113211
oct1463102050
9488041771
10214729768
11100233720
125bab4ab4
1335643946
1420738408
1513cb897d
hexccc8428

214729768 has 16 divisors (see below), whose sum is σ = 439220160. Its totient is φ = 97604400.

The previous prime is 214729763. The next prime is 214729807. The reversal of 214729768 is 867927412.

It is a super-2 number, since 2×2147297682 = 92217746530667648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (214729763) 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, 1219968 + ... + 1220143.

It is an arithmetic number, because the mean of its divisors is an integer number (27451260).

Almost surely, 2214729768 is an apocalyptic number.

It is an amenable number.

214729768 is an abundant number, since it is smaller than the sum of its proper divisors (224490392).

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

214729768 is a wasteful number, since it uses less digits than its factorization.

214729768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440128 (or 2440124 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 214729768 is about 14653.6605665615. The cubic root of 214729768 is about 598.8215461856.

The spelling of 214729768 in words is "two hundred fourteen million, seven hundred twenty-nine thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 11 22 44 88 2440111 4880222 9760444 19520888 26841221 53682442 107364884 214729768