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117453217 = 7831131789
BaseRepresentation
bin1110000000000…
…11000110100001
322012000020112011
413000003012201
5220032000332
615353232521
72624223130
oct700030641
9265006464
10117453217
1160332382
1233402741
131b44495b
1411855917
15a4a0e47
hex70031a1

117453217 has 16 divisors (see below), whose sum is σ = 137128320. Its totient is φ = 98525952.

The previous prime is 117453209. The next prime is 117453227. The reversal of 117453217 is 712354711.

It is not a de Polignac number, because 117453217 - 23 = 117453209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117453227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64759 + ... + 66547.

It is an arithmetic number, because the mean of its divisors is an integer number (8570520).

Almost surely, 2117453217 is an apocalyptic number.

It is an amenable number.

117453217 is a deficient number, since it is larger than the sum of its proper divisors (19675103).

117453217 is a wasteful number, since it uses less digits than its factorization.

117453217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992.

The product of its digits is 5880, while the sum is 31.

The square root of 117453217 is about 10837.5835406238. The cubic root of 117453217 is about 489.7280415061.

The spelling of 117453217 in words is "one hundred seventeen million, four hundred fifty-three thousand, two hundred seventeen".

Divisors: 1 7 83 113 581 791 1789 9379 12523 65653 148487 202157 1039409 1415099 16779031 117453217