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242250399 = 33193115233
BaseRepresentation
bin11100111000001…
…11001010011111
3121212211121002000
432130013022133
5444004003044
640012133343
76001044246
oct1634071237
9555747060
10242250399
11114820346
1269167253
133b25b241
142425d95d
1516402d69
hexe70729f

242250399 has 32 divisors (see below), whose sum is σ = 389990400. Its totient is φ = 148055040.

The previous prime is 242250389. The next prime is 242250403. The reversal of 242250399 is 993052242.

242250399 is a `hidden beast` number, since 242 + 25 + 0 + 399 = 666.

It is not a de Polignac number, because 242250399 - 24 = 242250383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242250389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8287 + ... + 23519.

It is an arithmetic number, because the mean of its divisors is an integer number (12187200).

Almost surely, 2242250399 is an apocalyptic number.

242250399 is a deficient number, since it is larger than the sum of its proper divisors (147740001).

242250399 is a wasteful number, since it uses less digits than its factorization.

242250399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15292 (or 15286 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 242250399 is about 15564.3952339948. The cubic root of 242250399 is about 623.3828263547.

The spelling of 242250399 in words is "two hundred forty-two million, two hundred fifty thousand, three hundred ninety-nine".

Divisors: 1 3 9 19 27 31 57 93 171 279 513 589 837 1767 5301 15233 15903 45699 137097 289427 411291 472223 868281 1416669 2604843 4250007 7814529 8972237 12750021 26916711 80750133 242250399