Search a number
-
+
214445544 = 2338935231
BaseRepresentation
bin11001100100000…
…10110111101000
3112221111221222120
430302002313220
5414344224134
633140151240
75212520445
oct1462026750
9487457876
10214445544
1110005a125
125b998520
1335574471
14206a29cc
1513c5e649
hexcc82de8

214445544 has 16 divisors (see below), whose sum is σ = 536113920. Its totient is φ = 71481840.

The previous prime is 214445521. The next prime is 214445549. The reversal of 214445544 is 445544412.

It is not an unprimeable number, because it can be changed into a prime (214445549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4467592 + ... + 4467639.

It is an arithmetic number, because the mean of its divisors is an integer number (33507120).

Almost surely, 2214445544 is an apocalyptic number.

214445544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

214445544 is an abundant number, since it is smaller than the sum of its proper divisors (321668376).

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

214445544 is a wasteful number, since it uses less digits than its factorization.

214445544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8935240 (or 8935236 counting only the distinct ones).

The product of its digits is 51200, while the sum is 33.

The square root of 214445544 is about 14643.9593006809. The cubic root of 214445544 is about 598.5572223240.

Adding to 214445544 its reverse (445544412), we get a palindrome (659989956).

The spelling of 214445544 in words is "two hundred fourteen million, four hundred forty-five thousand, five hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 8935231 17870462 26805693 35740924 53611386 71481848 107222772 214445544