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232530215 = 546506043
BaseRepresentation
bin11011101110000…
…10000100100111
3121012112202111012
431313002010213
5434011431330
635023532435
75522321441
oct1567020447
9535482435
10232530215
1110a291435
1265a5a11b
1339236b58
1422c4d491
1515632c95
hexddc2127

232530215 has 4 divisors (see below), whose sum is σ = 279036264. Its totient is φ = 186024168.

The previous prime is 232530169. The next prime is 232530241. The reversal of 232530215 is 512035232.

232530215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 232530215 - 210 = 232529191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23253017 + ... + 23253026.

It is an arithmetic number, because the mean of its divisors is an integer number (69759066).

Almost surely, 2232530215 is an apocalyptic number.

232530215 is a deficient number, since it is larger than the sum of its proper divisors (46506049).

232530215 is an equidigital number, since it uses as much as digits as its factorization.

232530215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46506048.

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

The square root of 232530215 is about 15248.9414386704. The cubic root of 232530215 is about 614.9311091229.

Adding to 232530215 its reverse (512035232), we get a palindrome (744565447).

The spelling of 232530215 in words is "two hundred thirty-two million, five hundred thirty thousand, two hundred fifteen".

Divisors: 1 5 46506043 232530215