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189801346 = 2729467491
BaseRepresentation
bin10110101000000…
…10001110000010
3111020010220111111
423110002032002
5342042120341
630500033534
74463166460
oct1324021602
9436126444
10189801346
1198157619
12536928aa
13304261b7
141b2c9830
15119e2681
hexb502382

189801346 has 16 divisors (see below), whose sum is σ = 336594240. Its totient is φ = 78538320.

The previous prime is 189801343. The next prime is 189801347. The reversal of 189801346 is 643108981.

It is a junction number, because it is equal to n+sod(n) for n = 189801299 and 189801308.

It is not an unprimeable number, because it can be changed into a prime (189801343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233340 + ... + 234151.

It is an arithmetic number, because the mean of its divisors is an integer number (21037140).

Almost surely, 2189801346 is an apocalyptic number.

189801346 is a deficient number, since it is larger than the sum of its proper divisors (146792894).

189801346 is a wasteful number, since it uses less digits than its factorization.

189801346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467529.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 189801346 is about 13776.8409296181. The cubic root of 189801346 is about 574.6892798855.

The spelling of 189801346 in words is "one hundred eighty-nine million, eight hundred one thousand, three hundred forty-six".

Divisors: 1 2 7 14 29 58 203 406 467491 934982 3272437 6544874 13557239 27114478 94900673 189801346