Search a number
-
+
40704160 = 255736343
BaseRepresentation
bin1001101101000…
…1100010100000
32211120222121111
42123101202200
540410013120
64012233104
71002660010
oct233214240
984528544
1040704160
1120a81702
121176b794
138582203
145597c40
15389075a
hex26d18a0

40704160 has 48 divisors (see below), whose sum is σ = 109904256. Its totient is φ = 13955328.

The previous prime is 40704151. The next prime is 40704161. The reversal of 40704160 is 6140704.

It is not an unprimeable number, because it can be changed into a prime (40704161) 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, 17052 + ... + 19291.

It is an arithmetic number, because the mean of its divisors is an integer number (2289672).

Almost surely, 240704160 is an apocalyptic number.

40704160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40704160 is an abundant number, since it is smaller than the sum of its proper divisors (69200096).

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

40704160 is a wasteful number, since it uses less digits than its factorization.

40704160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36365 (or 36357 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 40704160 is about 6379.9811911948. The cubic root of 40704160 is about 343.9903548765.

Adding to 40704160 its reverse (6140704), we get a palindrome (46844864).

The spelling of 40704160 in words is "forty million, seven hundred four thousand, one hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 36343 72686 145372 181715 254401 290744 363430 508802 581488 726860 1017604 1162976 1272005 1453720 2035208 2544010 2907440 4070416 5088020 5814880 8140832 10176040 20352080 40704160