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163089002 = 281544501
BaseRepresentation
bin10011011100010…
…00101001101010
3102100212210001102
421232020221222
5313222322002
624103321402
74020143066
oct1156105152
9370783042
10163089002
11840721aa
1246750262
1327a3278b
1417934aa6
15e4b7a02
hex9b88a6a

163089002 has 4 divisors (see below), whose sum is σ = 244633506. Its totient is φ = 81544500.

The previous prime is 163088987. The next prime is 163089019. The reversal of 163089002 is 200980361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200980361 = 349157571.

It can be written as a sum of positive squares in only one way, i.e., 95043001 + 68046001 = 9749^2 + 8249^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 40772249 + ... + 40772252.

Almost surely, 2163089002 is an apocalyptic number.

163089002 is a deficient number, since it is larger than the sum of its proper divisors (81544504).

163089002 is an equidigital number, since it uses as much as digits as its factorization.

163089002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81544503.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 163089002 is about 12770.6304464580. The cubic root of 163089002 is about 546.3549620176.

The spelling of 163089002 in words is "one hundred sixty-three million, eighty-nine thousand, two".

Divisors: 1 2 81544501 163089002