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54040014 = 2337142963
BaseRepresentation
bin1100111000100…
…1010111001110
310202200111222000
43032021113032
5102313240024
65210133130
71224222030
oct316112716
9122614860
1054040014
1128560076
12161211a6
13b271252
147269c50
154b26cc9
hex33895ce

54040014 has 32 divisors (see below), whose sum is σ = 137245440. Its totient is φ = 15439896.

The previous prime is 54040013. The next prime is 54040039. The reversal of 54040014 is 41004045.

It is a super-2 number, since 2×540400142 = 5840646226240392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54040013) 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, 71104 + ... + 71859.

It is an arithmetic number, because the mean of its divisors is an integer number (4288920).

Almost surely, 254040014 is an apocalyptic number.

54040014 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

54040014 is an abundant number, since it is smaller than the sum of its proper divisors (83205426).

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

54040014 is a wasteful number, since it uses less digits than its factorization.

54040014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142981 (or 142975 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 54040014 is about 7351.1913320223. The cubic root of 54040014 is about 378.0696520678.

Adding to 54040014 its reverse (41004045), we get a palindrome (95044059).

The spelling of 54040014 in words is "fifty-four million, forty thousand, fourteen".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 142963 285926 428889 857778 1000741 1286667 2001482 2573334 3002223 3860001 6004446 7720002 9006669 18013338 27020007 54040014