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189295080 = 233513121343
BaseRepresentation
bin10110100100001…
…10100111101000
3111012012012000220
423102012213220
5341424420310
630441130040
74455660462
oct1322064750
9435165026
10189295080
1197941217
1253489920
13302a9930
141b1d7132
1511942670
hexb4869e8

189295080 has 64 divisors (see below), whose sum is σ = 611573760. Its totient is φ = 46595328.

The previous prime is 189295061. The next prime is 189295087. The reversal of 189295080 is 80592981.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (189295087) 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 15 ways as a sum of consecutive naturals, for example, 59112 + ... + 62231.

It is an arithmetic number, because the mean of its divisors is an integer number (9555840).

Almost surely, 2189295080 is an apocalyptic number.

189295080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189295080 is an abundant number, since it is smaller than the sum of its proper divisors (422278680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189295080 is a wasteful number, since it uses less digits than its factorization.

189295080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121370 (or 121366 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 42.

The square root of 189295080 is about 13758.4548551064. The cubic root of 189295080 is about 574.1778597131.

The spelling of 189295080 in words is "one hundred eighty-nine million, two hundred ninety-five thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 312 390 520 780 1560 121343 242686 364029 485372 606715 728058 970744 1213430 1456116 1577459 1820145 2426860 2912232 3154918 3640290 4732377 4853720 6309836 7280580 7887295 9464754 12619672 14561160 15774590 18929508 23661885 31549180 37859016 47323770 63098360 94647540 189295080