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117200447 = 7131287917
BaseRepresentation
bin1101111110001…
…01011000111111
322011112101210022
412333011120333
5220000403242
615344002355
72622121160
oct677053077
9264471708
10117200447
116017a481
12333003bb
131b3868a0
14117cb767
15a4510d2
hex6fc563f

117200447 has 8 divisors (see below), whose sum is σ = 144246816. Its totient is φ = 92729952.

The previous prime is 117200401. The next prime is 117200449. The reversal of 117200447 is 744002711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117200447 - 28 = 117200191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117200449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643868 + ... + 644049.

It is an arithmetic number, because the mean of its divisors is an integer number (18030852).

Almost surely, 2117200447 is an apocalyptic number.

117200447 is a deficient number, since it is larger than the sum of its proper divisors (27046369).

117200447 is a wasteful number, since it uses less digits than its factorization.

117200447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287937.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 117200447 is about 10825.9155271044. The cubic root of 117200447 is about 489.3764760972.

The spelling of 117200447 in words is "one hundred seventeen million, two hundred thousand, four hundred forty-seven".

Divisors: 1 7 13 91 1287917 9015419 16742921 117200447