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2055530830 = 251031995661
BaseRepresentation
bin111101010000100…
…1110100101001110
312022020211210012111
41322201032211032
513202203441310
6535545054234
7101636503153
oct17241164516
95266753174
102055530830
11965325811
1249448737a
13269b1b042
14156dd222a
15c06d128a
hex7a84e94e

2055530830 has 16 divisors (see below), whose sum is σ = 3735879264. Its totient is φ = 814229280.

The previous prime is 2055530797. The next prime is 2055530831. The reversal of 2055530830 is 380355502.

It is a junction number, because it is equal to n+sod(n) for n = 2055530792 and 2055530801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055530831) 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, 996801 + ... + 998860.

It is an arithmetic number, because the mean of its divisors is an integer number (233492454).

Almost surely, 22055530830 is an apocalyptic number.

2055530830 is a deficient number, since it is larger than the sum of its proper divisors (1680348434).

2055530830 is a wasteful number, since it uses less digits than its factorization.

2055530830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995771.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 2055530830 is about 45337.9623494484. The cubic root of 2055530830 is about 1271.4755062239.

The spelling of 2055530830 in words is "two billion, fifty-five million, five hundred thirty thousand, eight hundred thirty".

Divisors: 1 2 5 10 103 206 515 1030 1995661 3991322 9978305 19956610 205553083 411106166 1027765415 2055530830