Search a number
-
+
1080772957 = 11297346411
BaseRepresentation
bin100000001101011…
…0100100101011101
32210022122221210001
41000122310211131
54203134213312
6255124414301
735532263365
oct10032644535
92708587701
101080772957
115050827a0
12261b47391
13142bab334
14a37759a5
1564d39057
hex406b495d

1080772957 has 16 divisors (see below), whose sum is σ = 1236415680. Its totient is φ = 935625600.

The previous prime is 1080772951. The next prime is 1080772981. The reversal of 1080772957 is 7592770801.

It is a cyclic number.

It is not a de Polignac number, because 1080772957 - 23 = 1080772949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080772951) 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, 82 + ... + 46492.

It is an arithmetic number, because the mean of its divisors is an integer number (77275980).

Almost surely, 21080772957 is an apocalyptic number.

It is an amenable number.

1080772957 is a deficient number, since it is larger than the sum of its proper divisors (155642723).

1080772957 is a wasteful number, since it uses less digits than its factorization.

1080772957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46524.

The product of its (nonzero) digits is 246960, while the sum is 46.

The square root of 1080772957 is about 32875.1115131189. Note that the first 3 decimals coincide. The cubic root of 1080772957 is about 1026.2302759097.

The spelling of 1080772957 in words is "one billion, eighty million, seven hundred seventy-two thousand, nine hundred fifty-seven".

Divisors: 1 11 29 73 319 803 2117 23287 46411 510521 1345919 3388003 14805109 37268033 98252087 1080772957