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189674924 = 22269917569
BaseRepresentation
bin10110100111000…
…11010110101100
3111012220111002012
423103203112230
5342024044144
630453220352
74462132055
oct1323432654
9435814065
10189674924
119808063a
12536316b8
13303b07aa
141b29572c
15119b9e9e
hexb4e35ac

189674924 has 12 divisors (see below), whose sum is σ = 332073000. Its totient is φ = 94796928.

The previous prime is 189674921. The next prime is 189674959. The reversal of 189674924 is 429476981.

It is not an unprimeable number, because it can be changed into a prime (189674921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2012 + ... + 19580.

It is an arithmetic number, because the mean of its divisors is an integer number (27672750).

Almost surely, 2189674924 is an apocalyptic number.

It is an amenable number.

189674924 is a deficient number, since it is larger than the sum of its proper divisors (142398076).

189674924 is a wasteful number, since it uses less digits than its factorization.

189674924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20272 (or 20270 counting only the distinct ones).

The product of its digits is 870912, while the sum is 50.

The square root of 189674924 is about 13772.2519581948. The cubic root of 189674924 is about 574.5616560892.

The spelling of 189674924 in words is "one hundred eighty-nine million, six hundred seventy-four thousand, nine hundred twenty-four".

Divisors: 1 2 4 2699 5398 10796 17569 35138 70276 47418731 94837462 189674924