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2038920856 = 237191916279
BaseRepresentation
bin111100110000111…
…0111011010011000
312021002120220121021
41321201313122120
513133430431411
6534153052224
7101345353450
oct17141673230
95232526537
102038920856
11956a10465
1248a9b7074
1326655395b
14154b0ad60
15bdeeea71
hex79877698

2038920856 has 32 divisors (see below), whose sum is σ = 4599072000. Its totient is φ = 827832096.

The previous prime is 2038920841. The next prime is 2038920883. The reversal of 2038920856 is 6580298302.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 957076 + ... + 959203.

It is an arithmetic number, because the mean of its divisors is an integer number (143721000).

Almost surely, 22038920856 is an apocalyptic number.

It is an amenable number.

2038920856 is an abundant number, since it is smaller than the sum of its proper divisors (2560151144).

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

2038920856 is a wasteful number, since it uses less digits than its factorization.

2038920856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916311 (or 1916307 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 2038920856 is about 45154.4112573733. The cubic root of 2038920856 is about 1268.0414675277.

The spelling of 2038920856 in words is "two billion, thirty-eight million, nine hundred twenty thousand, eight hundred fifty-six".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 532 1064 1916279 3832558 7665116 13413953 15330232 26827906 36409301 53655812 72818602 107311624 145637204 254865107 291274408 509730214 1019460428 2038920856