Search a number
-
+
40214531 = 723712423
BaseRepresentation
bin1001100101101…
…0000000000011
32210200002222002
42121122000003
540243331111
63553534215
7665550350
oct231320003
983602862
1040214531
1120777855
121157436b
1384403a6
1454ab627
1537e563b
hex265a003

40214531 has 8 divisors (see below), whose sum is σ = 45997824. Its totient is φ = 34440840.

The previous prime is 40214519. The next prime is 40214593. The reversal of 40214531 is 13541204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40214531 - 218 = 39952387 is a prime.

It is a super-2 number, since 2×402145312 = 3234417007099922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40214501) 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, 15386 + ... + 17808.

It is an arithmetic number, because the mean of its divisors is an integer number (5749728).

Almost surely, 240214531 is an apocalyptic number.

40214531 is a deficient number, since it is larger than the sum of its proper divisors (5783293).

40214531 is a wasteful number, since it uses less digits than its factorization.

40214531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4801.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 40214531 is about 6341.4928053259. The cubic root of 40214531 is about 342.6055042863.

Adding to 40214531 its reverse (13541204), we get a palindrome (53755735).

The spelling of 40214531 in words is "forty million, two hundred fourteen thousand, five hundred thirty-one".

Divisors: 1 7 2371 2423 16597 16961 5744933 40214531