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230522315 = 5157293659
BaseRepresentation
bin11011011110101…
…11110111001011
3121001202202011112
431233113313023
5433003203230
634512520535
75466256502
oct1557276713
9531682145
10230522315
1110913a911
126525014b
13389b2c4a
1422889839
1515387d95
hexdbd7dcb

230522315 has 8 divisors (see below), whose sum is σ = 278389680. Its totient is φ = 183242592.

The previous prime is 230522311. The next prime is 230522317. The reversal of 230522315 is 513225032.

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 230522315 - 22 = 230522311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230522311) 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, 146045 + ... + 147614.

It is an arithmetic number, because the mean of its divisors is an integer number (34798710).

Almost surely, 2230522315 is an apocalyptic number.

230522315 is a deficient number, since it is larger than the sum of its proper divisors (47867365).

230522315 is a wasteful number, since it uses less digits than its factorization.

230522315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293821.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 230522315 is about 15182.9613382897. The cubic root of 230522315 is about 613.1560118366.

Adding to 230522315 its reverse (513225032), we get a palindrome (743747347).

The spelling of 230522315 in words is "two hundred thirty million, five hundred twenty-two thousand, three hundred fifteen".

Divisors: 1 5 157 785 293659 1468295 46104463 230522315