Search a number
-
+
505152097 = 967522391
BaseRepresentation
bin11110000111000…
…000001001100001
31022012112101101221
4132013000021201
52013304331342
6122043055041
715342502432
oct3607001141
91265471357
10505152097
1123a16627a
12121211481
138086a188
144b137489
152e534a67
hex1e1c0261

505152097 has 4 divisors (see below), whose sum is σ = 505675456. Its totient is φ = 504628740.

The previous prime is 505152079. The next prime is 505152119. The reversal of 505152097 is 790251505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 505152097 - 223 = 496763489 is a prime.

It is a super-2 number, since 2×5051520972 = 510357282206994818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505152997) 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 3 ways as a sum of consecutive naturals, for example, 260229 + ... + 262162.

It is an arithmetic number, because the mean of its divisors is an integer number (126418864).

Almost surely, 2505152097 is an apocalyptic number.

It is an amenable number.

505152097 is a deficient number, since it is larger than the sum of its proper divisors (523359).

505152097 is an equidigital number, since it uses as much as digits as its factorization.

505152097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523358.

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 505152097 is about 22475.5889133077. The cubic root of 505152097 is about 796.4173637007.

The spelling of 505152097 in words is "five hundred five million, one hundred fifty-two thousand, ninety-seven".

Divisors: 1 967 522391 505152097