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189342004 = 22397119233
BaseRepresentation
bin10110100100100…
…10000100110100
3111012021120101211
423102102010310
5341432421004
630442131204
74456244335
oct1322220464
9435246354
10189342004
11979734a5
12534b0b04
13302c50b7
141b20a28c
1511951504
hexb492134

189342004 has 12 divisors (see below), whose sum is σ = 332185924. Its totient is φ = 94431744.

The previous prime is 189342001. The next prime is 189342089. The reversal of 189342004 is 400243981.

It can be written as a sum of positive squares in 2 ways, for example, as 73994404 + 115347600 = 8602^2 + 10740^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189342001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58029 + ... + 61204.

Almost surely, 2189342004 is an apocalyptic number.

It is an amenable number.

189342004 is a deficient number, since it is larger than the sum of its proper divisors (142843920).

189342004 is a wasteful number, since it uses less digits than its factorization.

189342004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119634 (or 119632 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 189342004 is about 13760.1600281392. The cubic root of 189342004 is about 574.2252997486.

Adding to 189342004 its reverse (400243981), we get a palindrome (589585985).

The spelling of 189342004 in words is "one hundred eighty-nine million, three hundred forty-two thousand, four".

Divisors: 1 2 4 397 794 1588 119233 238466 476932 47335501 94671002 189342004