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214043412 = 223111621541
BaseRepresentation
bin11001100001000…
…00101100010100
3112220202112100210
430300200230110
5414243342122
633123405420
75206224162
oct1460405424
9486675323
10214043412
11aa904a90
125b823870
133546340b
14205da232
1513bd040c
hexcc20b14

214043412 has 24 divisors (see below), whose sum is σ = 544838112. Its totient is φ = 64861600.

The previous prime is 214043393. The next prime is 214043419. The reversal of 214043412 is 214340412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214043419) 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, 810639 + ... + 810902.

It is an arithmetic number, because the mean of its divisors is an integer number (22701588).

Almost surely, 2214043412 is an apocalyptic number.

214043412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

214043412 is an abundant number, since it is smaller than the sum of its proper divisors (330794700).

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

214043412 is a wasteful number, since it uses less digits than its factorization.

214043412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621559 (or 1621557 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 214043412 is about 14630.2225546982. Note that the first 3 decimals coincide. The cubic root of 214043412 is about 598.1828465894.

Adding to 214043412 its reverse (214340412), we get a palindrome (428383824).

The spelling of 214043412 in words is "two hundred fourteen million, forty-three thousand, four hundred twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 1621541 3243082 4864623 6486164 9729246 17836951 19458492 35673902 53510853 71347804 107021706 214043412