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190315089 = 342349569
BaseRepresentation
bin10110101011111…
…11101001010001
3111021010000020000
423111333221101
5342210040324
630515040213
74500436326
oct1325775121
9437100200
10190315089
11984785a8
12538a0069
1330575ca3
141b3c0b4d
1511a949c9
hexb57fa51

190315089 has 10 divisors (see below), whose sum is σ = 284297970. Its totient is φ = 126876672.

The previous prime is 190315063. The next prime is 190315093. The reversal of 190315089 is 980513091.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 100160064 + 90155025 = 10008^2 + 9495^2 .

It is not a de Polignac number, because 190315089 - 211 = 190313041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (190315009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1174704 + ... + 1174865.

It is an arithmetic number, because the mean of its divisors is an integer number (28429797).

Almost surely, 2190315089 is an apocalyptic number.

It is an amenable number.

190315089 is a deficient number, since it is larger than the sum of its proper divisors (93982881).

190315089 is an equidigital number, since it uses as much as digits as its factorization.

190315089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349581 (or 2349572 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 190315089 is about 13795.4734967670. The cubic root of 190315089 is about 575.2073243551.

The spelling of 190315089 in words is "one hundred ninety million, three hundred fifteen thousand, eighty-nine".

Divisors: 1 3 9 27 81 2349569 7048707 21146121 63438363 190315089