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2031450240 = 27355979227
BaseRepresentation
bin111100100010101…
…0111100010000000
312020120112100211210
41321011113202000
513130022401430
6533325010120
7101225020311
oct17105274200
95216470753
102031450240
119527786a6
124883b3940
13264b39481
14153b24608
15bd5262b0
hex79157880

2031450240 has 256 divisors, whose sum is σ = 6697728000. Its totient is φ = 523481088.

The previous prime is 2031450209. The next prime is 2031450259. The reversal of 2031450240 is 420541302.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 8949007 + ... + 8949233.

It is an arithmetic number, because the mean of its divisors is an integer number (26163000).

Almost surely, 22031450240 is an apocalyptic number.

2031450240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2031450240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3348864000).

2031450240 is an abundant number, since it is smaller than the sum of its proper divisors (4666277760).

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

2031450240 is a wasteful number, since it uses less digits than its factorization.

2031450240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2031450240 is about 45071.6123519006. The cubic root of 2031450240 is about 1266.4908688004.

Adding to 2031450240 its reverse (420541302), we get a palindrome (2451991542).

The spelling of 2031450240 in words is "two billion, thirty-one million, four hundred fifty thousand, two hundred forty".