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69097161 = 373290341
BaseRepresentation
bin1000001111001…
…01011011001001
311211000111111010
410013211123021
5120142102121
610504554133
71466213310
oct407453311
9154014433
1069097161
11360047a1
121b182949
13114138c3
149269277
1560ed376
hex41e56c9

69097161 has 8 divisors (see below), whose sum is σ = 105290944. Its totient is φ = 39484080.

The previous prime is 69097157. The next prime is 69097181. The reversal of 69097161 is 16179096.

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

It is not a de Polignac number, because 69097161 - 22 = 69097157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69097121) 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, 1645150 + ... + 1645191.

It is an arithmetic number, because the mean of its divisors is an integer number (13161368).

Almost surely, 269097161 is an apocalyptic number.

It is an amenable number.

69097161 is a deficient number, since it is larger than the sum of its proper divisors (36193783).

69097161 is a wasteful number, since it uses less digits than its factorization.

69097161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290351.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 69097161 is about 8312.4702104729. The cubic root of 69097161 is about 410.3490206712.

The spelling of 69097161 in words is "sixty-nine million, ninety-seven thousand, one hundred sixty-one".

Divisors: 1 3 7 21 3290341 9871023 23032387 69097161