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230302465 = 5138133353
BaseRepresentation
bin11011011101000…
…10001100000001
3121001100120120221
431232202030001
5432424134330
634504103041
75464352521
oct1556421401
9531316527
10230302465
11108aaa718
1265164a81
1338936b63
142282d681
1515342b7a
hexdba2301

230302465 has 8 divisors (see below), whose sum is σ = 276571368. Its totient is φ = 184103040.

The previous prime is 230302447. The next prime is 230302483. The reversal of 230302465 is 564203032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (230302447) and next prime (230302483).

It can be written as a sum of positive squares in 4 ways, for example, as 992016 + 229310449 = 996^2 + 15143^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230302465 - 27 = 230302337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9772 + ... + 23581.

It is an arithmetic number, because the mean of its divisors is an integer number (34571421).

Almost surely, 2230302465 is an apocalyptic number.

It is an amenable number.

230302465 is a deficient number, since it is larger than the sum of its proper divisors (46268903).

230302465 is a wasteful number, since it uses less digits than its factorization.

230302465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34739.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 230302465 is about 15175.7195875517. The cubic root of 230302465 is about 612.9610267716.

Adding to 230302465 its reverse (564203032), we get a palindrome (794505497).

The spelling of 230302465 in words is "two hundred thirty million, three hundred two thousand, four hundred sixty-five".

Divisors: 1 5 1381 6905 33353 166765 46060493 230302465