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1081708146 = 23271846407
BaseRepresentation
bin100000001111001…
…1000111001110010
32210101102110121200
41000132120321302
54203404130041
6255200432030
735543240031
oct10036307162
92711373550
101081708146
11505661382
12262318616
13143147bbc
14a393a718
1564e711b6
hex40798e72

1081708146 has 24 divisors (see below), whose sum is σ = 2376713664. Its totient is φ = 355490520.

The previous prime is 1081708127. The next prime is 1081708151. The reversal of 1081708146 is 6418071801.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1081708146.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 421926 + ... + 424481.

It is an arithmetic number, because the mean of its divisors is an integer number (99029736).

Almost surely, 21081708146 is an apocalyptic number.

1081708146 is an abundant number, since it is smaller than the sum of its proper divisors (1295005518).

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

1081708146 is a wasteful number, since it uses less digits than its factorization.

1081708146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846486 (or 846483 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The square root of 1081708146 is about 32889.3317961919. The cubic root of 1081708146 is about 1026.5261883794.

Adding to 1081708146 its reverse (6418071801), we get a palindrome (7499779947).

The spelling of 1081708146 in words is "one billion, eighty-one million, seven hundred eight thousand, one hundred forty-six".

Divisors: 1 2 3 6 9 18 71 142 213 426 639 1278 846407 1692814 2539221 5078442 7617663 15235326 60094897 120189794 180284691 360569382 540854073 1081708146