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40472074 = 2139197739
BaseRepresentation
bin1001101001100…
…0111000001010
32211011012020201
42122120320022
540330101244
64003242414
71001002246
oct232307012
984135221
1040472074
11209332a5
121167940a
138500696
145537426
153846ad4
hex2698e0a

40472074 has 16 divisors (see below), whose sum is σ = 61538400. Its totient is φ = 19961424.

The previous prime is 40472051. The next prime is 40472093. The reversal of 40472074 is 47027404.

It is a super-2 number, since 2×404720742 = 3275977547722952, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 54397 + ... + 55135.

It is an arithmetic number, because the mean of its divisors is an integer number (3846150).

Almost surely, 240472074 is an apocalyptic number.

40472074 is a deficient number, since it is larger than the sum of its proper divisors (21066326).

40472074 is a wasteful number, since it uses less digits than its factorization.

40472074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077.

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 40472074 is about 6361.7665785535. The cubic root of 40472074 is about 343.3353230370.

Adding to 40472074 its reverse (47027404), we get a palindrome (87499478).

The spelling of 40472074 in words is "forty million, four hundred seventy-two thousand, seventy-four".

Divisors: 1 2 139 197 278 394 739 1478 27383 54766 102721 145583 205442 291166 20236037 40472074