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117018580 = 2257835847
BaseRepresentation
bin1101111100110…
…00111111010100
322011012011022111
412332120333110
5214424043310
615340040404
72620433020
oct676307724
9264164274
10117018580
1160065878
1233233104
131b321b83
1411781380
15a41728a
hex6f98fd4

117018580 has 24 divisors (see below), whose sum is σ = 280844928. Its totient is φ = 40120608.

The previous prime is 117018571. The next prime is 117018589. The reversal of 117018580 is 85810711.

It is an interprime number because it is at equal distance from previous prime (117018571) and next prime (117018589).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117018589) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 417784 + ... + 418063.

It is an arithmetic number, because the mean of its divisors is an integer number (11701872).

Almost surely, 2117018580 is an apocalyptic number.

117018580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117018580 is an abundant number, since it is smaller than the sum of its proper divisors (163826348).

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

117018580 is a wasteful number, since it uses less digits than its factorization.

117018580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835863 (or 835861 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 31.

The square root of 117018580 is about 10817.5126531010. The cubic root of 117018580 is about 489.1232133896.

The spelling of 117018580 in words is "one hundred seventeen million, eighteen thousand, five hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 835847 1671694 3343388 4179235 5850929 8358470 11701858 16716940 23403716 29254645 58509290 117018580