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330140240 = 2454395971
BaseRepresentation
bin10011101011011…
…000101001010000
3212000012212021022
4103223120221100
51134003441430
652432015012
711116100663
oct2353305120
9760185238
10330140240
1115a3a0281
1292691468
1353521871
1431bbb6da
151deb44e5
hex13ad8a50

330140240 has 40 divisors (see below), whose sum is σ = 785434848. Its totient is φ = 128983680.

The previous prime is 330140227. The next prime is 330140243. The reversal of 330140240 is 42041033.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330140243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44546 + ... + 51425.

Almost surely, 2330140240 is an apocalyptic number.

It is an amenable number.

330140240 is an abundant number, since it is smaller than the sum of its proper divisors (455294608).

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

330140240 is a wasteful number, since it uses less digits than its factorization.

330140240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96027 (or 96021 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 330140240 is about 18169.7616935391. The cubic root of 330140240 is about 691.1401998197.

Adding to 330140240 its reverse (42041033), we get a palindrome (372181273).

The spelling of 330140240 in words is "three hundred thirty million, one hundred forty thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 43 80 86 172 215 344 430 688 860 1720 3440 95971 191942 383884 479855 767768 959710 1535536 1919420 3838840 4126753 7677680 8253506 16507012 20633765 33014024 41267530 66028048 82535060 165070120 330140240