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1082131620 = 223561729231
BaseRepresentation
bin100000010000000…
…0000010010100100
32210102012222111220
41000200000102210
54204011202440
6255213500340
735546652453
oct10040002244
92712188456
101082131620
11505920559
122624a16b0
1314326588b
14a3a0ab9a
15650068d0
hex408004a4

1082131620 has 48 divisors (see below), whose sum is σ = 3034983168. Its totient is φ = 288090880.

The previous prime is 1082131559. The next prime is 1082131621. The reversal of 1082131620 is 261312801.

It is not an unprimeable number, because it can be changed into a prime (1082131621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22405 + ... + 51635.

It is an arithmetic number, because the mean of its divisors is an integer number (63228816).

Almost surely, 21082131620 is an apocalyptic number.

1082131620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1082131620 is an abundant number, since it is smaller than the sum of its proper divisors (1952851548).

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

1082131620 is a wasteful number, since it uses less digits than its factorization.

1082131620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29860 (or 29858 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1082131620 is about 32895.7690288584. The cubic root of 1082131620 is about 1026.6601279076.

The spelling of 1082131620 in words is "one billion, eighty-two million, one hundred thirty-one thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 617 1234 1851 2468 3085 3702 6170 7404 9255 12340 18510 29231 37020 58462 87693 116924 146155 175386 292310 350772 438465 584620 876930 1753860 18035527 36071054 54106581 72142108 90177635 108213162 180355270 216426324 270532905 360710540 541065810 1082131620