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1081295394 = 23614336823
BaseRepresentation
bin100000001110011…
…0100001000100010
32210100122111102120
41000130310020202
54203302423034
6255143525110
735536600464
oct10034641042
92710574376
101081295394
115053aa263
12262159796
1314303207a
14a3870134
1564dddc49
hex40734222

1081295394 has 32 divisors (see below), whose sum is σ = 2203442304. Its totient is φ = 353652480.

The previous prime is 1081295381. The next prime is 1081295401. The reversal of 1081295394 is 4935921801.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155067 + ... + 161889.

It is an arithmetic number, because the mean of its divisors is an integer number (68857572).

Almost surely, 21081295394 is an apocalyptic number.

1081295394 is an abundant number, since it is smaller than the sum of its proper divisors (1122146910).

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

1081295394 is a wasteful number, since it uses less digits than its factorization.

1081295394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7322.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 1081295394 is about 32883.0563360525. The cubic root of 1081295394 is about 1026.3956064409.

The spelling of 1081295394 in words is "one billion, eighty-one million, two hundred ninety-five thousand, three hundred ninety-four".

Divisors: 1 2 3 6 61 122 183 366 433 866 1299 2598 6823 13646 20469 26413 40938 52826 79239 158478 416203 832406 1248609 2497218 2954359 5908718 8863077 17726154 180215899 360431798 540647697 1081295394