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13874440 = 235595879
BaseRepresentation
bin110100111011…
…010100001000
3222002220011011
4310323110020
512022440230
61213213304
7225634156
oct64732410
928086134
1013874440
117917088
124791234
132b4a238
141bb23d6
151340e2a
hexd3b508

13874440 has 32 divisors (see below), whose sum is σ = 31752000. Its totient is φ = 5454784.

The previous prime is 13874437. The next prime is 13874459. The reversal of 13874440 is 4447831.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580 + ... + 5299.

It is an arithmetic number, because the mean of its divisors is an integer number (992250).

Almost surely, 213874440 is an apocalyptic number.

13874440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13874440 is an abundant number, since it is smaller than the sum of its proper divisors (17877560).

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

13874440 is a wasteful number, since it uses less digits than its factorization.

13874440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5949 (or 5945 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 13874440 is about 3724.8409362012. The cubic root of 13874440 is about 240.2915438472.

The spelling of 13874440 in words is "thirteen million, eight hundred seventy-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 59 118 236 295 472 590 1180 2360 5879 11758 23516 29395 47032 58790 117580 235160 346861 693722 1387444 1734305 2774888 3468610 6937220 13874440