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40130422 = 2372272389
BaseRepresentation
bin1001100100010…
…1011101110110
32210111211120221
42121011131312
540233133142
63552044554
7665050213
oct231053566
983454527
1040130422
112071a642
121153375a
138411017
145488b0a
1537ca767
hex2645776

40130422 has 16 divisors (see below), whose sum is σ = 62120880. Its totient is φ = 19428768.

The previous prime is 40130401. The next prime is 40130429. The reversal of 40130422 is 22403104.

It is a super-2 number, since 2×401304222 = 3220901539796168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40130396 and 40130405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40130429) 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, 15604 + ... + 17992.

It is an arithmetic number, because the mean of its divisors is an integer number (3882555).

Almost surely, 240130422 is an apocalyptic number.

40130422 is a deficient number, since it is larger than the sum of its proper divisors (21990458).

40130422 is a wasteful number, since it uses less digits than its factorization.

40130422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40130422 is about 6334.8576937450. The cubic root of 40130422 is about 342.3664835577.

Adding to 40130422 its reverse (22403104), we get a palindrome (62533526).

The spelling of 40130422 in words is "forty million, one hundred thirty thousand, four hundred twenty-two".

Divisors: 1 2 37 74 227 454 2389 4778 8399 16798 88393 176786 542303 1084606 20065211 40130422