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214748340 = 22353579139
BaseRepresentation
bin11001100110011…
…00110010110100
3112222002100100020
430303030302310
5414433421330
633150445140
75215221312
oct1463146264
9488070306
10214748340
11100246674
125bb037b0
133564c231
14207410b2
1513cbe210
hexcccccb4

214748340 has 24 divisors (see below), whose sum is σ = 601295520. Its totient is φ = 57266208.

The previous prime is 214748329. The next prime is 214748341. The reversal of 214748340 is 43847412.

214748340 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 2×2147483402 = 92233699065511200, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214748341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1789510 + ... + 1789629.

It is an arithmetic number, because the mean of its divisors is an integer number (25053980).

Almost surely, 2214748340 is an apocalyptic number.

214748340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214748340 is an abundant number, since it is smaller than the sum of its proper divisors (386547180).

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

214748340 is a wasteful number, since it uses less digits than its factorization.

214748340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3579151 (or 3579149 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 214748340 is about 14654.2942511743. The cubic root of 214748340 is about 598.8388097339.

The spelling of 214748340 in words is "two hundred fourteen million, seven hundred forty-eight thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3579139 7158278 10737417 14316556 17895695 21474834 35791390 42949668 53687085 71582780 107374170 214748340