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68166597 = 3731072909
BaseRepresentation
bin1000001000000…
…10001111000101
311202021012222210
410010002033011
5114422312342
610433014033
71455256302
oct404021705
9152235883
1068166597
1135529634
121a9b4319
1311179185
1490a60a9
155eb779c
hex41023c5

68166597 has 16 divisors (see below), whose sum is σ = 93026880. Its totient is φ = 44387712.

The previous prime is 68166557. The next prime is 68166599. The reversal of 68166597 is 79566186.

It is not a de Polignac number, because 68166597 - 211 = 68164549 is a prime.

It is a super-4 number, since 4×681665974 (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68166599) 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, 21979 + ... + 24887.

It is an arithmetic number, because the mean of its divisors is an integer number (5814180).

Almost surely, 268166597 is an apocalyptic number.

It is an amenable number.

68166597 is a deficient number, since it is larger than the sum of its proper divisors (24860283).

68166597 is a wasteful number, since it uses less digits than its factorization.

68166597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3092.

The product of its digits is 544320, while the sum is 48.

The square root of 68166597 is about 8256.3064986712. The cubic root of 68166597 is about 408.4985675119.

The spelling of 68166597 in words is "sixty-eight million, one hundred sixty-six thousand, five hundred ninety-seven".

Divisors: 1 3 73 107 219 321 2909 7811 8727 23433 212357 311263 637071 933789 22722199 68166597