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117796980 = 223572103389
BaseRepresentation
bin1110000010101…
…11000001110100
322012122201002010
413001113001310
5220124000410
615404444220
72630154300
oct701270164
9265581063
10117796980
1160547684
1233549670
131b535272
1411904d00
15a51cc20
hex7057074

117796980 has 144 divisors (see below), whose sum is σ = 388402560. Its totient is φ = 26595072.

The previous prime is 117796969. The next prime is 117796999. The reversal of 117796980 is 89697711.

It is a happy number.

It is a super-2 number, since 2×1177969802 = 27752256994240800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 302626 + ... + 303014.

It is an arithmetic number, because the mean of its divisors is an integer number (2697240).

Almost surely, 2117796980 is an apocalyptic number.

117796980 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 117796980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194201280).

117796980 is an abundant number, since it is smaller than the sum of its proper divisors (270605580).

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

117796980 is a wasteful number, since it uses less digits than its factorization.

117796980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 48.

The square root of 117796980 is about 10853.4317153608. The cubic root of 117796980 is about 490.2053561013.

The spelling of 117796980 in words is "one hundred seventeen million, seven hundred ninety-six thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 103 105 140 147 196 206 210 245 294 309 389 412 420 490 515 588 618 721 735 778 980 1030 1167 1236 1442 1470 1545 1556 1945 2060 2163 2334 2723 2884 2940 3090 3605 3890 4326 4668 5047 5446 5835 6180 7210 7780 8169 8652 10094 10815 10892 11670 13615 14420 15141 16338 19061 20188 21630 23340 25235 27230 30282 32676 38122 40067 40845 43260 50470 54460 57183 60564 75705 76244 80134 81690 95305 100940 114366 120201 151410 160268 163380 190610 200335 228732 240402 280469 285915 302820 381220 400670 480804 560938 571830 601005 801340 841407 1121876 1143660 1202010 1402345 1682814 1963283 2404020 2804690 3365628 3926566 4207035 5609380 5889849 7853132 8414070 9816415 11779698 16828140 19632830 23559396 29449245 39265660 58898490 117796980