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214240344 = 2338926681
BaseRepresentation
bin11001100010100…
…00110001011000
3112221010112111120
430301100301120
5414321142334
633131525240
75211004263
oct1461206130
9487115446
10214240344
11aaa29a3a
125b8b9820
1335501c46
142064bcda
1513c1d949
hexcc50c58

214240344 has 16 divisors (see below), whose sum is σ = 535600920. Its totient is φ = 71413440.

The previous prime is 214240277. The next prime is 214240361. The reversal of 214240344 is 443042412.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 8926681 = 214240344 / (2 + 1 + 4 + 2 + 4 + 0 + 3 + 4 + 4).

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 3 ways as a sum of consecutive naturals, for example, 4463317 + ... + 4463364.

Almost surely, 2214240344 is an apocalyptic number.

214240344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

214240344 is an abundant number, since it is smaller than the sum of its proper divisors (321360576).

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

214240344 is a wasteful number, since it uses less digits than its factorization.

214240344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8926690 (or 8926686 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 214240344 is about 14636.9513219113. The cubic root of 214240344 is about 598.3662443306.

Adding to 214240344 its reverse (443042412), we get a palindrome (657282756).

It can be divided in two parts, 2142 and 40344, that added together give a triangular number (42486 = T291).

The spelling of 214240344 in words is "two hundred fourteen million, two hundred forty thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 8926681 17853362 26780043 35706724 53560086 71413448 107120172 214240344