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1082855386 = 21289420037
BaseRepresentation
bin100000010001011…
…0000111111011010
32210110120202100001
41000202300333122
54204202333021
6255241203214
735556055534
oct10042607732
92713522301
101082855386
11506275308
1226279050a
1314345a142
14a3b58854
15650eb091
hex408b0fda

1082855386 has 8 divisors (see below), whose sum is σ = 1625547060. Its totient is φ = 541006368.

The previous prime is 1082855381. The next prime is 1082855393. The reversal of 1082855386 is 6835582801.

It can be written as a sum of positive squares in 2 ways, for example, as 1062434025 + 20421361 = 32595^2 + 4519^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1082855381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207441 + ... + 212596.

Almost surely, 21082855386 is an apocalyptic number.

1082855386 is a deficient number, since it is larger than the sum of its proper divisors (542691674).

1082855386 is a wasteful number, since it uses less digits than its factorization.

1082855386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421328.

The product of its (nonzero) digits is 460800, while the sum is 46.

The square root of 1082855386 is about 32906.7680880393. The cubic root of 1082855386 is about 1026.8889651644. Note that the first 3 decimals are identical.

The spelling of 1082855386 in words is "one billion, eighty-two million, eight hundred fifty-five thousand, three hundred eighty-six".

Divisors: 1 2 1289 2578 420037 840074 541427693 1082855386