Search a number
-
+
1055115770 = 25480121977
BaseRepresentation
bin111110111000111…
…100100111111010
32201112101102201212
4332320330213322
54130102201040
6252410443122
735101223162
oct7670744772
92645342655
101055115770
114a1649105
122554334a2
1313a796c77
14a01b75a2
156296bd65
hex3ee3c9fa

1055115770 has 16 divisors (see below), whose sum is σ = 1899690408. Its totient is φ = 421939200.

The previous prime is 1055115769. The next prime is 1055115833. The reversal of 1055115770 is 775115501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 862655641 + 192460129 = 29371^2 + 13873^2 .

It is a super-2 number, since 2×10551157702 = 2226538576205385800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37022 + ... + 58998.

Almost surely, 21055115770 is an apocalyptic number.

1055115770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1055115770 is a deficient number, since it is larger than the sum of its proper divisors (844574638).

1055115770 is a wasteful number, since it uses less digits than its factorization.

1055115770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26785.

The product of its (nonzero) digits is 6125, while the sum is 32.

The square root of 1055115770 is about 32482.5456206868. The cubic root of 1055115770 is about 1018.0443657867.

The spelling of 1055115770 in words is "one billion, fifty-five million, one hundred fifteen thousand, seven hundred seventy".

Divisors: 1 2 5 10 4801 9602 21977 24005 43954 48010 109885 219770 105511577 211023154 527557885 1055115770