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20058317 = 171179901
BaseRepresentation
bin100110010000…
…1000011001101
31101202001211122
41030201003031
520113331232
61553530325
7332331026
oct114410315
941661748
1020058317
1110360124
1268739a5
134203b36
142941c4d
151b63312
hex13210cd

20058317 has 4 divisors (see below), whose sum is σ = 21238236. Its totient is φ = 18878400.

The previous prime is 20058301. The next prime is 20058341. The reversal of 20058317 is 71385002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8128201 + 11930116 = 2851^2 + 3454^2 .

It is a cyclic number.

It is not a de Polignac number, because 20058317 - 24 = 20058301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20058347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 589934 + ... + 589967.

It is an arithmetic number, because the mean of its divisors is an integer number (5309559).

Almost surely, 220058317 is an apocalyptic number.

It is an amenable number.

20058317 is a deficient number, since it is larger than the sum of its proper divisors (1179919).

20058317 is a wasteful number, since it uses less digits than its factorization.

20058317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179918.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 20058317 is about 4478.6512478647. The cubic root of 20058317 is about 271.7053334669.

The spelling of 20058317 in words is "twenty million, fifty-eight thousand, three hundred seventeen".

Divisors: 1 17 1179901 20058317