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40572382 = 271285721
BaseRepresentation
bin1001101011000…
…1010111011110
32211100021211211
42122301113132
540341304012
64005335034
71001600554
oct232612736
984307754
1040572382
11209a16a4
121170747a
138537236
145561bd4
1538666a7
hex26b15de

40572382 has 8 divisors (see below), whose sum is σ = 61715952. Its totient is φ = 20000400.

The previous prime is 40572379. The next prime is 40572383. The reversal of 40572382 is 28327504.

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

It is a super-2 number, since 2×405723822 = 3292236362307848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40572383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142719 + ... + 143002.

It is an arithmetic number, because the mean of its divisors is an integer number (7714494).

Almost surely, 240572382 is an apocalyptic number.

40572382 is a deficient number, since it is larger than the sum of its proper divisors (21143570).

40572382 is a wasteful number, since it uses less digits than its factorization.

40572382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285794.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 40572382 is about 6369.6453590447. The cubic root of 40572382 is about 343.6187354684.

Adding to 40572382 its reverse (28327504), we get a palindrome (68899886).

The spelling of 40572382 in words is "forty million, five hundred seventy-two thousand, three hundred eighty-two".

Divisors: 1 2 71 142 285721 571442 20286191 40572382