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1090678797 = 331331100237
BaseRepresentation
bin100000100000010…
…0111000000001101
32211000022020001000
41001000213000031
54213203210142
6300121010513
736012421365
oct10100470015
92730266030
101090678797
1150a72913a
12265323a39
13144c69090
14a4bd39a5
1565b4414c
hex4102700d

1090678797 has 32 divisors (see below), whose sum is σ = 1796264960. Its totient is φ = 649529280.

The previous prime is 1090678781. The next prime is 1090678817. The reversal of 1090678797 is 7978760901.

It is not a de Polignac number, because 1090678797 - 24 = 1090678781 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 (1090678727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39238 + ... + 60999.

It is an arithmetic number, because the mean of its divisors is an integer number (56133280).

Almost surely, 21090678797 is an apocalyptic number.

It is an amenable number.

1090678797 is a deficient number, since it is larger than the sum of its proper divisors (705586163).

1090678797 is a wasteful number, since it uses less digits than its factorization.

1090678797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100290 (or 100284 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 54.

The square root of 1090678797 is about 33025.4265226053. The cubic root of 1090678797 is about 1029.3560549066.

The spelling of 1090678797 in words is "one billion, ninety million, six hundred seventy-eight thousand, seven hundred ninety-seven".

Divisors: 1 3 9 13 27 31 39 93 117 279 351 403 837 1209 3627 10881 100237 300711 902133 1303081 2706399 3107347 3909243 9322041 11727729 27966123 35183187 40395511 83898369 121186533 363559599 1090678797