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117429680 = 2451519721
BaseRepresentation
bin1101111111111…
…01010110110000
322011222001020102
412333331112300
5220030222210
615352531532
72624064404
oct677752660
9264861212
10117429680
1160316725
12333b0ba8
131b437024
141184b104
15a498ea5
hex6ffd5b0

117429680 has 40 divisors (see below), whose sum is σ = 274860384. Its totient is φ = 46656000.

The previous prime is 117429679. The next prime is 117429691. The reversal of 117429680 is 86924711.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7220 + ... + 16940.

Almost surely, 2117429680 is an apocalyptic number.

117429680 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 117429680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137430192).

117429680 is an abundant number, since it is smaller than the sum of its proper divisors (157430704).

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

117429680 is a wasteful number, since it uses less digits than its factorization.

117429680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9885 (or 9879 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 117429680 is about 10836.4975891660. The cubic root of 117429680 is about 489.6953263557.

The spelling of 117429680 in words is "one hundred seventeen million, four hundred twenty-nine thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 151 302 604 755 1208 1510 2416 3020 6040 9721 12080 19442 38884 48605 77768 97210 155536 194420 388840 777680 1467871 2935742 5871484 7339355 11742968 14678710 23485936 29357420 58714840 117429680