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20035442 = 274730449
BaseRepresentation
bin100110001101…
…1011101110010
31101200220110102
41030123131302
520112113232
61553232402
7332204240
oct114333562
941626412
1020035442
1110344a19
126862702
1341c65bb
142937790
151b5b662
hex131b772

20035442 has 16 divisors (see below), whose sum is σ = 35078400. Its totient is φ = 8403648.

The previous prime is 20035441. The next prime is 20035451. The reversal of 20035442 is 24453002.

It is a super-2 number, since 2×200354422 = 802837872270728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20035441) 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, 14567 + ... + 15882.

It is an arithmetic number, because the mean of its divisors is an integer number (2192400).

Almost surely, 220035442 is an apocalyptic number.

20035442 is a deficient number, since it is larger than the sum of its proper divisors (15042958).

20035442 is a wasteful number, since it uses less digits than its factorization.

20035442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30505.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 20035442 is about 4476.0967371137. The cubic root of 20035442 is about 271.6020076880.

Adding to 20035442 its reverse (24453002), we get a palindrome (44488444).

The spelling of 20035442 in words is "twenty million, thirty-five thousand, four hundred forty-two".

Divisors: 1 2 7 14 47 94 329 658 30449 60898 213143 426286 1431103 2862206 10017721 20035442