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196045980 = 223513376793
BaseRepresentation
bin10111010111101…
…10110010011100
3111122220011112020
423223312302130
5400141432410
631241540140
74600235424
oct1353666234
9448804466
10196045980
11a0732279
12557a4650
1331801650
141c073484
1512327a70
hexbaf6c9c

196045980 has 96 divisors (see below), whose sum is σ = 607220544. Its totient is φ = 46946304.

The previous prime is 196045979. The next prime is 196045999. The reversal of 196045980 is 89540691.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25464 + ... + 32256.

It is an arithmetic number, because the mean of its divisors is an integer number (6325214).

Almost surely, 2196045980 is an apocalyptic number.

196045980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196045980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303610272).

196045980 is an abundant number, since it is smaller than the sum of its proper divisors (411174564).

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

196045980 is a wasteful number, since it uses less digits than its factorization.

196045980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6855 (or 6853 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 196045980 is about 14001.6420465601. The cubic root of 196045980 is about 580.9239929287.

The spelling of 196045980 in words is "one hundred ninety-six million, forty-five thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 37 39 52 60 65 74 78 111 130 148 156 185 195 222 260 370 390 444 481 555 740 780 962 1110 1443 1924 2220 2405 2886 4810 5772 6793 7215 9620 13586 14430 20379 27172 28860 33965 40758 67930 81516 88309 101895 135860 176618 203790 251341 264927 353236 407580 441545 502682 529854 754023 883090 1005364 1059708 1256705 1324635 1508046 1766180 2513410 2649270 3016092 3267433 3770115 5026820 5298540 6534866 7540230 9802299 13069732 15080460 16337165 19604598 32674330 39209196 49011495 65348660 98022990 196045980