Search a number
-
+
242527545 = 32513414577
BaseRepresentation
bin11100111010010…
…10110100111001
3121220100200020200
432131022310321
5444041340140
640022112413
76003310251
oct1635126471
9556320220
10242527545
1111499a597
126927b709
133b327430
14242d2961
151645a030
hexe74ad39

242527545 has 24 divisors (see below), whose sum is σ = 452719176. Its totient is φ = 119397888.

The previous prime is 242527541. The next prime is 242527547. The reversal of 242527545 is 545725242.

It can be written as a sum of positive squares in 4 ways, for example, as 9216 + 242518329 = 96^2 + 15573^2 .

It is not a de Polignac number, because 242527545 - 22 = 242527541 is a prime.

It is a super-2 number, since 2×2425275452 = 117639220167454050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (242527541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206704 + ... + 207873.

It is an arithmetic number, because the mean of its divisors is an integer number (18863299).

Almost surely, 2242527545 is an apocalyptic number.

It is an amenable number.

242527545 is a deficient number, since it is larger than the sum of its proper divisors (210191631).

242527545 is a wasteful number, since it uses less digits than its factorization.

242527545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414601 (or 414598 counting only the distinct ones).

The product of its digits is 112000, while the sum is 36.

The square root of 242527545 is about 15573.2958939333. The cubic root of 242527545 is about 623.6204623082.

The spelling of 242527545 in words is "two hundred forty-two million, five hundred twenty-seven thousand, five hundred forty-five".

Divisors: 1 3 5 9 13 15 39 45 65 117 195 585 414577 1243731 2072885 3731193 5389501 6218655 16168503 18655965 26947505 48505509 80842515 242527545