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2082278870 = 25743691787
BaseRepresentation
bin111110000011101…
…0000110111010110
312101010011201121122
41330013100313112
513231030410440
6542342243542
7102413035610
oct17407206726
95333151548
102082278870
11979434a31
124a14265b2
13272524a99
1415a795db0
15c2c167b5
hex7c1d0dd6

2082278870 has 32 divisors (see below), whose sum is σ = 4383168768. Its totient is φ = 697320288.

The previous prime is 2082278857. The next prime is 2082278873. The reversal of 2082278870 is 788722802.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2082278873) 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 15 ways as a sum of consecutive naturals, for example, 342884 + ... + 348903.

It is an arithmetic number, because the mean of its divisors is an integer number (136974024).

Almost surely, 22082278870 is an apocalyptic number.

2082278870 is an abundant number, since it is smaller than the sum of its proper divisors (2300889898).

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

2082278870 is a wasteful number, since it uses less digits than its factorization.

2082278870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691844.

The product of its (nonzero) digits is 200704, while the sum is 44.

The square root of 2082278870 is about 45631.9939296981. The cubic root of 2082278870 is about 1276.9668722385.

The spelling of 2082278870 in words is "two billion, eighty-two million, two hundred seventy-eight thousand, eight hundred seventy".

Divisors: 1 2 5 7 10 14 35 43 70 86 215 301 430 602 1505 3010 691787 1383574 3458935 4842509 6917870 9685018 24212545 29746841 48425090 59493682 148734205 208227887 297468410 416455774 1041139435 2082278870