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230979348 = 223219732569
BaseRepresentation
bin11011100010001…
…11011100010100
3121002121222002200
431301013130110
5433112314343
634530404500
75503202115
oct1561073424
9532558080
10230979348
11109422226
1265430730
1338b12c92
142296820c
15154284d3
hexdc47714

230979348 has 36 divisors (see below), whose sum is σ = 586846260. Its totient is φ = 76599936.

The previous prime is 230979347. The next prime is 230979383. The reversal of 230979348 is 843979032.

It is a happy number.

230979348 is a `hidden beast` number, since 230 + 9 + 79 + 348 = 666.

230979348 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 226261764 + 4717584 = 15042^2 + 2172^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230979347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9193 + ... + 23376.

It is an arithmetic number, because the mean of its divisors is an integer number (16301285).

Almost surely, 2230979348 is an apocalyptic number.

It is an amenable number.

230979348 is an abundant number, since it is smaller than the sum of its proper divisors (355866912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230979348 is a wasteful number, since it uses less digits than its factorization.

230979348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32776 (or 32771 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 230979348 is about 15198.0047374647. The cubic root of 230979348 is about 613.5609582285.

The spelling of 230979348 in words is "two hundred thirty million, nine hundred seventy-nine thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 197 394 591 788 1182 1773 2364 3546 7092 32569 65138 97707 130276 195414 293121 390828 586242 1172484 6416093 12832186 19248279 25664372 38496558 57744837 76993116 115489674 230979348