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1080974193 = 313211031933
BaseRepresentation
bin100000001101110…
…0101101101110001
32210100001011211020
41000123211231301
54203212133233
6255133010053
735534062155
oct10033455561
92710034736
101080974193
115051aaa02
12262023929
13142c4bb00
14a37c9065
1564d789b3
hex406e5b71

1080974193 has 24 divisors (see below), whose sum is σ = 1562919552. Its totient is φ = 664267968.

The previous prime is 1080974183. The next prime is 1080974231. The reversal of 1080974193 is 3914790801.

It is a happy number.

It is not a de Polignac number, because 1080974193 - 25 = 1080974161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1080974183) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 558255 + ... + 560187.

It is an arithmetic number, because the mean of its divisors is an integer number (65121648).

Almost surely, 21080974193 is an apocalyptic number.

1080974193 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1080974193 is a deficient number, since it is larger than the sum of its proper divisors (481945359).

1080974193 is a wasteful number, since it uses less digits than its factorization.

1080974193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065 (or 3052 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 1080974193 is about 32878.1719838558. The cubic root of 1080974193 is about 1026.2939654073.

The spelling of 1080974193 in words is "one billion, eighty million, nine hundred seventy-four thousand, one hundred ninety-three".

Divisors: 1 3 13 39 169 507 1103 1933 3309 5799 14339 25129 43017 75387 186407 326677 559221 980031 2132099 6396297 27717287 83151861 360324731 1080974193