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13827740 = 2251096343
BaseRepresentation
bin110100101111…
…111010011100
3222000112002112
4310233322130
512014441430
61212213152
7225351053
oct64577234
928015075
1013827740
117894a93
12476a1b8
132b31bc4
141b9d39a
151332195
hexd2fe9c

13827740 has 24 divisors (see below), whose sum is σ = 29309280. Its totient is φ = 5479488.

The previous prime is 13827731. The next prime is 13827743. The reversal of 13827740 is 4772831.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13827697 and 13827706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13827743) 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, 992 + ... + 5351.

It is an arithmetic number, because the mean of its divisors is an integer number (1221220).

Almost surely, 213827740 is an apocalyptic number.

13827740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13827740 is an abundant number, since it is smaller than the sum of its proper divisors (15481540).

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

13827740 is a wasteful number, since it uses less digits than its factorization.

13827740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6461 (or 6459 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 13827740 is about 3718.5669282669. The cubic root of 13827740 is about 240.0216415670.

The spelling of 13827740 in words is "thirteen million, eight hundred twenty-seven thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 109 218 436 545 1090 2180 6343 12686 25372 31715 63430 126860 691387 1382774 2765548 3456935 6913870 13827740