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1072571982 = 238310312089
BaseRepresentation
bin111111111011100…
…010011001001110
32202202020022011020
4333323202121032
54144034300412
6254232535010
735402466006
oct7773423116
92682208136
101072571982
11500491229
1225b251466
131412995a1
14a263d006
156426918c
hex3fee264e

1072571982 has 32 divisors (see below), whose sum is σ = 2174135040. Its totient is φ = 352704960.

The previous prime is 1072571963. The next prime is 1072571987. The reversal of 1072571982 is 2891752701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072571987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512394 + ... + 514482.

It is an arithmetic number, because the mean of its divisors is an integer number (67941720).

Almost surely, 21072571982 is an apocalyptic number.

1072571982 is an abundant number, since it is smaller than the sum of its proper divisors (1101563058).

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

1072571982 is a wasteful number, since it uses less digits than its factorization.

1072571982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3208.

The product of its (nonzero) digits is 70560, while the sum is 42.

The square root of 1072571982 is about 32750.1447630388. The cubic root of 1072571982 is about 1023.6279821062.

The spelling of 1072571982 in words is "one billion, seventy-two million, five hundred seventy-one thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 83 166 249 498 1031 2062 2089 3093 4178 6186 6267 12534 85573 171146 173387 256719 346774 513438 520161 1040322 2153759 4307518 6461277 12922554 178761997 357523994 536285991 1072571982