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169003001 = 1761162973
BaseRepresentation
bin10100001001011…
…00011111111001
3102210000020112102
422010230133321
5321231044001
624434153145
74121334056
oct1204543771
9383006472
10169003001
1187441502
12487227b5
132902359b
141863402d
15ec84e6b
hexa12c7f9

169003001 has 8 divisors (see below), whose sum is σ = 181878984. Its totient is φ = 156453120.

The previous prime is 169002983. The next prime is 169003019. The reversal of 169003001 is 100300961.

It is an interprime number because it is at equal distance from previous prime (169002983) and next prime (169003019).

It can be written as a sum of positive squares in 4 ways, for example, as 44568976 + 124434025 = 6676^2 + 11155^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 169003001 - 222 = 164808697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169003031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80450 + ... + 82523.

It is an arithmetic number, because the mean of its divisors is an integer number (22734873).

Almost surely, 2169003001 is an apocalyptic number.

It is an amenable number.

169003001 is a deficient number, since it is larger than the sum of its proper divisors (12875983).

169003001 is a wasteful number, since it uses less digits than its factorization.

169003001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163051.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 169003001 is about 13000.1154225645. The cubic root of 169003001 is about 552.8807539034.

Adding to 169003001 its reverse (100300961), we get a palindrome (269303962).

The spelling of 169003001 in words is "one hundred sixty-nine million, three thousand, one".

Divisors: 1 17 61 1037 162973 2770541 9941353 169003001