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214321128 = 23374727143
BaseRepresentation
bin11001100011001…
…00011111101000
3112221021122022120
430301210133220
5414331234003
633133351240
75211461640
oct1461443750
9487248276
10214321128
11aaa846aa
125b938520
133552c948
142066d520
1513c37853
hexcc647e8

214321128 has 64 divisors (see below), whose sum is σ = 625397760. Its totient is φ = 59929536.

The previous prime is 214321127. The next prime is 214321139. The reversal of 214321128 is 821123412.

214321128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 214321098 and 214321107.

It is not an unprimeable number, because it can be changed into a prime (214321127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5676 + ... + 21467.

It is an arithmetic number, because the mean of its divisors is an integer number (9771840).

Almost surely, 2214321128 is an apocalyptic number.

214321128 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

214321128 is an abundant number, since it is smaller than the sum of its proper divisors (411076632).

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

214321128 is a wasteful number, since it uses less digits than its factorization.

214321128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27206 (or 27202 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 214321128 is about 14639.7106528784. The cubic root of 214321128 is about 598.4414438991.

The spelling of 214321128 in words is "two hundred fourteen million, three hundred twenty-one thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 47 56 84 94 141 168 188 282 329 376 564 658 987 1128 1316 1974 2632 3948 7896 27143 54286 81429 108572 162858 190001 217144 325716 380002 570003 651432 760004 1140006 1275721 1520008 2280012 2551442 3827163 4560024 5102884 7654326 8930047 10205768 15308652 17860094 26790141 30617304 35720188 53580282 71440376 107160564 214321128