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181982034 = 232135231487
BaseRepresentation
bin10101101100011…
…01001101010010
3110200102122102100
422312031031102
5333041411114
630020301230
74336551603
oct1266151522
9420378370
10181982034
11937a6883
1250b41816
132b9190a0
141a251daa
1510e9a909
hexad8d352

181982034 has 48 divisors (see below), whose sum is σ = 425722752. Its totient is φ = 55849824.

The previous prime is 181982023. The next prime is 181982051. The reversal of 181982034 is 430289181.

181982034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 181982034.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121639 + ... + 123125.

It is an arithmetic number, because the mean of its divisors is an integer number (8869224).

Almost surely, 2181982034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 181982034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212861376).

181982034 is an abundant number, since it is smaller than the sum of its proper divisors (243740718).

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

181982034 is a wasteful number, since it uses less digits than its factorization.

181982034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031 (or 2028 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 181982034 is about 13490.0716825375. The cubic root of 181982034 is about 566.6864628993.

The spelling of 181982034 in words is "one hundred eighty-one million, nine hundred eighty-two thousand, thirty-four".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 523 1046 1487 1569 2974 3138 4461 4707 6799 8922 9414 13383 13598 19331 20397 26766 38662 40794 57993 61191 115986 122382 173979 347958 777701 1555402 2333103 4666206 6999309 10110113 13998618 20220226 30330339 60660678 90991017 181982034