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506161213 = 1743692423
BaseRepresentation
bin11110001010110…
…110100000111101
31022021102122122121
4132022312200331
52014034124323
6122120442541
715354204445
oct3612664075
91267378577
10506161213
1123a795458
12121619451
1380b3159c
144b31b125
152e683a5d
hex1e2b683d

506161213 has 8 divisors (see below), whose sum is σ = 548399808. Its totient is φ = 465307584.

The previous prime is 506161199. The next prime is 506161231. The reversal of 506161213 is 312161605.

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 506161213 - 217 = 506030141 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 (506161913) 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, 345481 + ... + 346942.

It is an arithmetic number, because the mean of its divisors is an integer number (68549976).

Almost surely, 2506161213 is an apocalyptic number.

It is an amenable number.

506161213 is a deficient number, since it is larger than the sum of its proper divisors (42238595).

506161213 is a wasteful number, since it uses less digits than its factorization.

506161213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692483.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 506161213 is about 22498.0268690390. The cubic root of 506161213 is about 796.9473314387.

The spelling of 506161213 in words is "five hundred six million, one hundred sixty-one thousand, two hundred thirteen".

Divisors: 1 17 43 731 692423 11771191 29774189 506161213