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170086429 = 312176989
BaseRepresentation
bin10100010001101…
…01000000011101
3102212001021201101
422020311000131
5322020231204
624513313101
74133465542
oct1210650035
9385037641
10170086429
11880114a7
1248b65791
1329312776
1418836bc9
15edeaea4
hexa23501d

170086429 has 6 divisors (see below), whose sum is σ = 175751070. Its totient is φ = 164598840.

The previous prime is 170086379. The next prime is 170086453. The reversal of 170086429 is 924680071.

It can be written as a sum of positive squares in only one way, i.e., 112402404 + 57684025 = 10602^2 + 7595^2 .

It is a de Polignac number, because none of the positive numbers 2k-170086429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170086129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87534 + ... + 89455.

It is an arithmetic number, because the mean of its divisors is an integer number (29291845).

Almost surely, 2170086429 is an apocalyptic number.

It is an amenable number.

170086429 is a deficient number, since it is larger than the sum of its proper divisors (5664641).

170086429 is an equidigital number, since it uses as much as digits as its factorization.

170086429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177051 (or 177020 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 170086429 is about 13041.7187900982. The cubic root of 170086429 is about 554.0596895984.

The spelling of 170086429 in words is "one hundred seventy million, eighty-six thousand, four hundred twenty-nine".

Divisors: 1 31 961 176989 5486659 170086429