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40051470 = 23510971217
BaseRepresentation
bin1001100011001…
…0001100001110
32210100211021210
42120302030032
540223121340
63550235250
7664301064
oct230621416
983324253
1040051470
1120676298
12114b5b26
1383b40c4
145468034
1537b2180
hex263230e

40051470 has 32 divisors (see below), whose sum is σ = 96290208. Its totient is φ = 10661888.

The previous prime is 40051457. The next prime is 40051489. The reversal of 40051470 is 7415004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32302 + ... + 33518.

It is an arithmetic number, because the mean of its divisors is an integer number (3009069).

Almost surely, 240051470 is an apocalyptic number.

40051470 is an abundant number, since it is smaller than the sum of its proper divisors (56238738).

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

40051470 is a wasteful number, since it uses less digits than its factorization.

40051470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 40051470 is about 6328.6230729915. The cubic root of 40051470 is about 342.1418139002.

Adding to 40051470 its reverse (7415004), we get a palindrome (47466474).

The spelling of 40051470 in words is "forty million, fifty-one thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 1097 1217 2194 2434 3291 3651 5485 6085 6582 7302 10970 12170 16455 18255 32910 36510 1335049 2670098 4005147 6675245 8010294 13350490 20025735 40051470