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14749940 = 225737497
BaseRepresentation
bin111000010001…
…000011110100
31000202101010002
4320101003310
512233444230
61244050432
7236241512
oct70210364
930671102
1014749940
118364937
124b33a18
13309589a
141d5d4b2
151465545
hexe110f4

14749940 has 12 divisors (see below), whose sum is σ = 30974916. Its totient is φ = 5899968.

The previous prime is 14749937. The next prime is 14749949. The reversal of 14749940 is 4994741.

It can be written as a sum of positive squares in 2 ways, for example, as 10797796 + 3952144 = 3286^2 + 1988^2 .

It is a junction number, because it is equal to n+sod(n) for n = 14749894 and 14749903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14749949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368729 + ... + 368768.

It is an arithmetic number, because the mean of its divisors is an integer number (2581243).

Almost surely, 214749940 is an apocalyptic number.

14749940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14749940 is an abundant number, since it is smaller than the sum of its proper divisors (16224976).

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

14749940 is a wasteful number, since it uses less digits than its factorization.

14749940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737506 (or 737504 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 14749940 is about 3840.5650625917. The cubic root of 14749940 is about 245.2430740423.

The spelling of 14749940 in words is "fourteen million, seven hundred forty-nine thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 737497 1474994 2949988 3687485 7374970 14749940