Search a number
-
+
1087044161 = 7707921937
BaseRepresentation
bin100000011001010…
…1111101001000001
32210202110120020212
41000302233221001
54211240403121
6255511043505
735636502650
oct10062575101
92722416225
101087044161
11508676405
12264070595
131442958c8
14a4529197
156567725b
hex40cafa41

1087044161 has 8 divisors (see below), whose sum is σ = 1242568320. Its totient is φ = 931578048.

The previous prime is 1087044139. The next prime is 1087044163. The reversal of 1087044161 is 1614407801.

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 1087044161 - 210 = 1087043137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1087044163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38585 + ... + 60521.

It is an arithmetic number, because the mean of its divisors is an integer number (155321040).

Almost surely, 21087044161 is an apocalyptic number.

It is an amenable number.

1087044161 is a deficient number, since it is larger than the sum of its proper divisors (155524159).

1087044161 is an equidigital number, since it uses as much as digits as its factorization.

1087044161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29023.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 1087044161 is about 32970.3527581978. The cubic root of 1087044161 is about 1028.2113554661.

The spelling of 1087044161 in words is "one billion, eighty-seven million, forty-four thousand, one hundred sixty-one".

Divisors: 1 7 7079 21937 49553 153559 155292023 1087044161