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230674269 = 3719578131
BaseRepresentation
bin11011011111111…
…00111101011101
3121002001110121110
431233330331131
5433023034034
634520052233
75500461510
oct1557747535
9532043543
10230674269
11109233aa1
1265304079
1338a37167
14228c8d77
15153b7de9
hexdbfcf5d

230674269 has 16 divisors (see below), whose sum is σ = 370004480. Its totient is φ = 124876080.

The previous prime is 230674267. The next prime is 230674289. The reversal of 230674269 is 962476032.

It is not a de Polignac number, because 230674269 - 21 = 230674267 is a prime.

It is a super-2 number, since 2×2306742692 = 106421236757368722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230674267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288667 + ... + 289464.

It is an arithmetic number, because the mean of its divisors is an integer number (23125280).

Almost surely, 2230674269 is an apocalyptic number.

It is an amenable number.

230674269 is a deficient number, since it is larger than the sum of its proper divisors (139330211).

230674269 is a wasteful number, since it uses less digits than its factorization.

230674269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578160.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 230674269 is about 15187.9646101774. The cubic root of 230674269 is about 613.2907074648.

The spelling of 230674269 in words is "two hundred thirty million, six hundred seventy-four thousand, two hundred sixty-nine".

Divisors: 1 3 7 19 21 57 133 399 578131 1734393 4046917 10984489 12140751 32953467 76891423 230674269