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14749989 = 3431091049
BaseRepresentation
bin111000010001…
…000100100101
31000202101011220
4320101010211
512233444424
61244050553
7236241612
oct70210445
930671156
1014749989
118364981
124b33a59
133095907
141d5d509
151465579
hexe11125

14749989 has 16 divisors (see below), whose sum is σ = 20328000. Its totient is φ = 9507456.

The previous prime is 14749979. The next prime is 14749997. The reversal of 14749989 is 98994741.

It is not a de Polignac number, because 14749989 - 29 = 14749477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14749919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13537 + ... + 14585.

It is an arithmetic number, because the mean of its divisors is an integer number (1270500).

Almost surely, 214749989 is an apocalyptic number.

It is an amenable number.

14749989 is a deficient number, since it is larger than the sum of its proper divisors (5578011).

14749989 is a wasteful number, since it uses less digits than its factorization.

14749989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204.

The product of its digits is 653184, while the sum is 51.

The square root of 14749989 is about 3840.5714418560. The cubic root of 14749989 is about 245.2433456117.

The spelling of 14749989 in words is "fourteen million, seven hundred forty-nine thousand, nine hundred eighty-nine".

Divisors: 1 3 43 109 129 327 1049 3147 4687 14061 45107 114341 135321 343023 4916663 14749989