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117051545 = 51317105929
BaseRepresentation
bin1101111101000…
…01000010011001
322011020211112102
412332201002121
5214431122140
615340453145
72620631102
oct676410231
9264224472
10117051545
1160088616
123324a1b5
131b333b90
141178d3a9
15a421e15
hex6fa1099

117051545 has 16 divisors (see below), whose sum is σ = 160166160. Its totient is φ = 81352704.

The previous prime is 117051521. The next prime is 117051551. The reversal of 117051545 is 545150711.

It can be written as a sum of positive squares in 8 ways, for example, as 2647129 + 114404416 = 1627^2 + 10696^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-117051545 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 51860 + ... + 54069.

It is an arithmetic number, because the mean of its divisors is an integer number (10010385).

Almost surely, 2117051545 is an apocalyptic number.

It is an amenable number.

117051545 is a deficient number, since it is larger than the sum of its proper divisors (43114615).

117051545 is a wasteful number, since it uses less digits than its factorization.

117051545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105964.

The product of its (nonzero) digits is 3500, while the sum is 29.

The square root of 117051545 is about 10819.0362324932. The cubic root of 117051545 is about 489.1691389537.

The spelling of 117051545 in words is "one hundred seventeen million, fifty-one thousand, five hundred forty-five".

Divisors: 1 5 13 17 65 85 221 1105 105929 529645 1377077 1800793 6885385 9003965 23410309 117051545