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14222988 = 22321330391
BaseRepresentation
bin110110010000…
…011010001100
3222202121021100
4312100122030
512120113423
61224503100
7231615303
oct66203214
928677240
1014222988
118034a3a
12491aa90
132c3ca90
141c6343a
1513ae343
hexd9068c

14222988 has 36 divisors (see below), whose sum is σ = 38719408. Its totient is φ = 4376160.

The previous prime is 14222983. The next prime is 14223031. The reversal of 14222988 is 88922241.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (14222983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14728 + ... + 15663.

Almost surely, 214222988 is an apocalyptic number.

14222988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

14222988 is an abundant number, since it is smaller than the sum of its proper divisors (24496420).

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

14222988 is a wasteful number, since it uses less digits than its factorization.

14222988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30414 (or 30409 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 14222988 is about 3771.3376937103. The cubic root of 14222988 is about 242.2870941034.

The spelling of 14222988 in words is "fourteen million, two hundred twenty-two thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 30391 60782 91173 121564 182346 273519 364692 395083 547038 790166 1094076 1185249 1580332 2370498 3555747 4740996 7111494 14222988