Search a number
-
+
40527720 = 23325112577
BaseRepresentation
bin1001101010011…
…0011101101000
32211021000120200
42122212131220
540333341340
64004352200
71001323422
oct232463550
984230520
1040527720
1120971092
12116a5660
13851cacc
14554d812
153858330
hex26a6768

40527720 has 48 divisors (see below), whose sum is σ = 131716260. Its totient is φ = 10807296.

The previous prime is 40527709. The next prime is 40527763. The reversal of 40527720 is 2772504.

40527720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 40525956 + 1764 = 6366^2 + 42^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55929 + ... + 56648.

Almost surely, 240527720 is an apocalyptic number.

40527720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40527720 is an abundant number, since it is smaller than the sum of its proper divisors (91188540).

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

40527720 is a wasteful number, since it uses less digits than its factorization.

40527720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112594 (or 112587 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 40527720 is about 6366.1385470315. The cubic root of 40527720 is about 343.4926042279.

The spelling of 40527720 in words is "forty million, five hundred twenty-seven thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 112577 225154 337731 450308 562885 675462 900616 1013193 1125770 1350924 1688655 2026386 2251540 2701848 3377310 4052772 4503080 5065965 6754620 8105544 10131930 13509240 20263860 40527720