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14061540 = 22351311789
BaseRepresentation
bin110101101000…
…111111100100
3222110101210210
4311220333210
512044432130
61221215420
7230343513
oct65507744
928411723
1014061540
117a34709
124861570
132bb444c
141c2067a
15137b5b0
hexd68fe4

14061540 has 48 divisors (see below), whose sum is σ = 39695040. Its totient is φ = 3719040.

The previous prime is 14061527. The next prime is 14061547. The reversal of 14061540 is 4516041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14061547) 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, 6966 + ... + 8754.

It is an arithmetic number, because the mean of its divisors is an integer number (826980).

Almost surely, 214061540 is an apocalyptic number.

14061540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14061540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19847520).

14061540 is an abundant number, since it is smaller than the sum of its proper divisors (25633500).

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

14061540 is a wasteful number, since it uses less digits than its factorization.

14061540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932 (or 1930 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 14061540 is about 3749.8719978154. The cubic root of 14061540 is about 241.3668534646.

Adding to 14061540 its reverse (4516041), we get a palindrome (18577581).

The spelling of 14061540 in words is "fourteen million, sixty-one thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 131 262 393 524 655 786 1310 1572 1789 1965 2620 3578 3930 5367 7156 7860 8945 10734 17890 21468 26835 35780 53670 107340 234359 468718 703077 937436 1171795 1406154 2343590 2812308 3515385 4687180 7030770 14061540