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40030134 = 237391393
BaseRepresentation
bin1001100010110…
…0111110110110
32210022202000120
42120230332312
540221431014
63545552410
7664151634
oct230547666
983282016
1040030134
1120661261
12114a5706
1383a7491
145460354
1537aaba9
hex262cfb6

40030134 has 16 divisors (see below), whose sum is σ = 81157872. Its totient is φ = 13160448.

The previous prime is 40030127. The next prime is 40030157. The reversal of 40030134 is 43103004.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45259 + ... + 46134.

It is an arithmetic number, because the mean of its divisors is an integer number (5072367).

Almost surely, 240030134 is an apocalyptic number.

40030134 is an abundant number, since it is smaller than the sum of its proper divisors (41127738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40030134 is a wasteful number, since it uses less digits than its factorization.

40030134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91471.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 40030134 is about 6326.9371737042. The cubic root of 40030134 is about 342.0810484702.

Adding to 40030134 its reverse (43103004), we get a palindrome (83133138).

The spelling of 40030134 in words is "forty million, thirty thousand, one hundred thirty-four".

Divisors: 1 2 3 6 73 146 219 438 91393 182786 274179 548358 6671689 13343378 20015067 40030134