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189320548 = 22318714851
BaseRepresentation
bin10110100100011…
…00110101100100
3111012020110222011
423102030311210
5341431224143
630441444004
74456124644
oct1322146544
9435213864
10189320548
119795936a
12534a0604
13302b83c1
141b202524
1511949e9d
hexb48cd64

189320548 has 12 divisors (see below), whose sum is σ = 331437232. Its totient is φ = 94624200.

The previous prime is 189320543. The next prime is 189320569. The reversal of 189320548 is 845023981.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 189320548.

It is not an unprimeable number, because it can be changed into a prime (189320543) 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 3 ways as a sum of consecutive naturals, for example, 5323 + ... + 20173.

Almost surely, 2189320548 is an apocalyptic number.

It is an amenable number.

189320548 is a deficient number, since it is larger than the sum of its proper divisors (142116684).

189320548 is a wasteful number, since it uses less digits than its factorization.

189320548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18042 (or 18040 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 189320548 is about 13759.3803639553. The cubic root of 189320548 is about 574.2036087640.

The spelling of 189320548 in words is "one hundred eighty-nine million, three hundred twenty thousand, five hundred forty-eight".

Divisors: 1 2 4 3187 6374 12748 14851 29702 59404 47330137 94660274 189320548