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117554081 = 2329176243
BaseRepresentation
bin1110000000110…
…11101110100001
322012012100212212
413000123232201
5220043212311
615355331505
72625123161
oct700335641
9265170785
10117554081
11603a1137
1233450b95
131b47b838
14118805a1
15a4c0c8b
hex701bba1

117554081 has 8 divisors (see below), whose sum is σ = 126895680. Its totient is φ = 108565072.

The previous prime is 117554071. The next prime is 117554117. The reversal of 117554081 is 180455711.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-117554081 is a prime.

It is a super-2 number, since 2×1175540812 = 27637923919509122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117554071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87455 + ... + 88788.

It is an arithmetic number, because the mean of its divisors is an integer number (15861960).

Almost surely, 2117554081 is an apocalyptic number.

It is an amenable number.

117554081 is a deficient number, since it is larger than the sum of its proper divisors (9341599).

117554081 is a wasteful number, since it uses less digits than its factorization.

117554081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176295.

The product of its (nonzero) digits is 5600, while the sum is 32.

The square root of 117554081 is about 10842.2359778784. The cubic root of 117554081 is about 489.8681875076.

The spelling of 117554081 in words is "one hundred seventeen million, five hundred fifty-four thousand, eighty-one".

Divisors: 1 23 29 667 176243 4053589 5111047 117554081