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415368231 = 31934011789
BaseRepresentation
bin11000110000100…
…000010000100111
31001221120220002120
4120300200100213
51322313240411
6105114441023
713202400045
oct3060402047
91057526076
10415368231
111a3512333
12b7133173
1368092725
143d245395
15266ec106
hex18c20427

415368231 has 16 divisors (see below), whose sum is σ = 558394080. Its totient is φ = 274636800.

The previous prime is 415368229. The next prime is 415368241. The reversal of 415368231 is 132863514.

It is not a de Polignac number, because 415368231 - 21 = 415368229 is a prime.

It is a super-2 number, since 2×4153682312 = 345061534648138722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 415368192 and 415368201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (415368211) 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, 231285 + ... + 233073.

It is an arithmetic number, because the mean of its divisors is an integer number (34899630).

Almost surely, 2415368231 is an apocalyptic number.

415368231 is a deficient number, since it is larger than the sum of its proper divisors (143025849).

415368231 is a wasteful number, since it uses less digits than its factorization.

415368231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386.

The product of its digits is 17280, while the sum is 33.

The square root of 415368231 is about 20380.5846579533. The cubic root of 415368231 is about 746.1241416886.

The spelling of 415368231 in words is "four hundred fifteen million, three hundred sixty-eight thousand, two hundred thirty-one".

Divisors: 1 3 193 401 579 1203 1789 5367 77393 232179 345277 717389 1035831 2152167 138456077 415368231