Search a number
-
+
1130776309 = 13296929297
BaseRepresentation
bin100001101100110…
…0100011011110101
32220210202101111001
41003121210123311
54303434320214
6304112243301
740010303635
oct10331443365
92823671431
101130776309
11530325a83
12276840531
13150368110
14aa2706c5
1569414c74
hex436646f5

1130776309 has 8 divisors (see below), whose sum is σ = 1218210840. Its totient is φ = 1043406336.

The previous prime is 1130776303. The next prime is 1130776331. The reversal of 1130776309 is 9036770311.

It can be written as a sum of positive squares in 4 ways, for example, as 3294225 + 1127482084 = 1815^2 + 33578^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1130776309 - 215 = 1130743541 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 (1130776303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23949 + ... + 53245.

It is an arithmetic number, because the mean of its divisors is an integer number (152276355).

Almost surely, 21130776309 is an apocalyptic number.

It is an amenable number.

1130776309 is a deficient number, since it is larger than the sum of its proper divisors (87434531).

1130776309 is a wasteful number, since it uses less digits than its factorization.

1130776309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32279.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 1130776309 is about 33627.0175454202. The cubic root of 1130776309 is about 1041.8189043189.

It can be divided in two parts, 11307 and 76309, that added together give a square (87616 = 2962).

The spelling of 1130776309 in words is "one billion, one hundred thirty million, seven hundred seventy-six thousand, three hundred nine".

Divisors: 1 13 2969 29297 38597 380861 86982793 1130776309