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197067992 = 231129314753
BaseRepresentation
bin10111011111100…
…00010011011000
3111201211002110112
423233300103120
5400422133432
631315503452
74612023152
oct1357602330
9451732415
10197067992
11a1270110
1255bb7b88
1331a9b8a4
141c25bad2
151247a7b2
hexbbf04d8

197067992 has 128 divisors (see below), whose sum is σ = 447897600. Its totient is φ = 80371200.

The previous prime is 197067989. The next prime is 197068009. The reversal of 197067992 is 299760791.

It is a self number, because there is not a number n which added to its sum of digits gives 197067992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3718238 + ... + 3718290.

It is an arithmetic number, because the mean of its divisors is an integer number (3499200).

Almost surely, 2197067992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197067992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223948800).

197067992 is an abundant number, since it is smaller than the sum of its proper divisors (250829608).

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

197067992 is a wasteful number, since it uses less digits than its factorization.

197067992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 428652, while the sum is 50.

The square root of 197067992 is about 14038.0907533753. The cubic root of 197067992 is about 581.9317200830.

The spelling of 197067992 in words is "one hundred ninety-seven million, sixty-seven thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 11 22 29 31 44 47 53 58 62 88 94 106 116 124 188 212 232 248 319 341 376 424 517 583 638 682 899 1034 1166 1276 1363 1364 1457 1537 1643 1798 2068 2332 2491 2552 2726 2728 2914 3074 3286 3596 4136 4664 4982 5452 5828 6148 6572 7192 9889 9964 10904 11656 12296 13144 14993 16027 16907 18073 19778 19928 27401 29986 32054 33814 36146 39556 42253 47647 54802 59972 64108 67628 72239 72292 77221 79112 84506 95294 109604 119944 128216 135256 144478 144584 154442 169012 190588 219208 288956 308884 338024 381176 464783 524117 577912 617768 794629 849431 929566 1048234 1589258 1698862 1859132 2096468 2239409 3178516 3397724 3718264 4192936 4478818 6357032 6795448 8957636 17915272 24633499 49266998 98533996 197067992