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40430210 = 2531312917
BaseRepresentation
bin1001101000111…
…0101010000010
32211002001211012
42122032222002
540322231320
64002320522
71000436222
oct232165202
984061735
1040430210
11209048a7
1211659142
1384b7602
145526082
1538394c5
hex268ea82

40430210 has 16 divisors (see below), whose sum is σ = 73012536. Its totient is φ = 16119168.

The previous prime is 40430209. The next prime is 40430237. The reversal of 40430210 is 1203404.

It can be written as a sum of positive squares in 4 ways, for example, as 19918369 + 20511841 = 4463^2 + 4529^2 .

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, 3329 + ... + 9588.

Almost surely, 240430210 is an apocalyptic number.

40430210 is a deficient number, since it is larger than the sum of its proper divisors (32582326).

40430210 is a wasteful number, since it uses less digits than its factorization.

40430210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13237.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 40430210 is about 6358.4754462056. The cubic root of 40430210 is about 343.2169010627.

Adding to 40430210 its reverse (1203404), we get a palindrome (41633614).

The spelling of 40430210 in words is "forty million, four hundred thirty thousand, two hundred ten".

Divisors: 1 2 5 10 313 626 1565 3130 12917 25834 64585 129170 4043021 8086042 20215105 40430210