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60040540 = 2257835167
BaseRepresentation
bin1110010100001…
…0010101011100
311011222101010201
43211002111130
5110332244130
65542513244
71326223210
oct345022534
9134871121
1060040540
113098938a
1218135824
13c592561
147d8c940
15540ebca
hex394255c

60040540 has 48 divisors (see below), whose sum is σ = 145861632. Its totient is φ = 20333376.

The previous prime is 60040507. The next prime is 60040543. The reversal of 60040540 is 4504006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60040543) 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, 9037 + ... + 14203.

It is an arithmetic number, because the mean of its divisors is an integer number (3038784).

Almost surely, 260040540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60040540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72930816).

60040540 is an abundant number, since it is smaller than the sum of its proper divisors (85821092).

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

60040540 is a wasteful number, since it uses less digits than its factorization.

60040540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5266 (or 5264 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 60040540 is about 7748.5830962828. The cubic root of 60040540 is about 391.5749157851.

Adding to 60040540 its reverse (4504006), we get a palindrome (64544546).

The spelling of 60040540 in words is "sixty million, forty thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 83 140 166 332 415 581 830 1162 1660 2324 2905 5167 5810 10334 11620 20668 25835 36169 51670 72338 103340 144676 180845 361690 428861 723380 857722 1715444 2144305 3002027 4288610 6004054 8577220 12008108 15010135 30020270 60040540