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2055904500 = 22353131931179
BaseRepresentation
bin111101010001010…
…1001110011110100
312022021112202210010
41322202221303310
513202302421000
6540001100220
7101642620446
oct17242516364
95267482703
102055904500
11965560531
12494627670
13269c1c150
1415708c496
15c0756d50
hex7a8a9cf4

2055904500 has 384 divisors, whose sum is σ = 7044710400. Its totient is φ = 461376000.

The previous prime is 2055904489. The next prime is 2055904507. The reversal of 2055904500 is 54095502.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055904507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11485411 + ... + 11485589.

It is an arithmetic number, because the mean of its divisors is an integer number (18345600).

Almost surely, 22055904500 is an apocalyptic number.

2055904500 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 2055904500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3522355200).

2055904500 is an abundant number, since it is smaller than the sum of its proper divisors (4988805900).

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

2055904500 is a wasteful number, since it uses less digits than its factorization.

2055904500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 2055904500 is about 45342.0831016838. The cubic root of 2055904500 is about 1271.5525477126.

The spelling of 2055904500 in words is "two billion, fifty-five million, nine hundred four thousand, five hundred".