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242750626 = 2557217909
BaseRepresentation
bin11100111100000…
…01010010100010
3121220210000020221
432132001102202
5444121010001
640030553254
76005226526
oct1636012242
9556700227
10242750626
11115032158
126936882a
133b3a4b31
142434dd86
15164a11a1
hexe7814a2

242750626 has 8 divisors (see below), whose sum is σ = 364781340. Its totient is φ = 121156848.

The previous prime is 242750621. The next prime is 242750663. The reversal of 242750626 is 626057242.

It can be written as a sum of positive squares in 2 ways, for example, as 189475225 + 53275401 = 13765^2 + 7299^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 242750591 and 242750600.

It is not an unprimeable number, because it can be changed into a prime (242750621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107841 + ... + 110068.

Almost surely, 2242750626 is an apocalyptic number.

242750626 is a deficient number, since it is larger than the sum of its proper divisors (122030714).

242750626 is a wasteful number, since it uses less digits than its factorization.

242750626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218468.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 242750626 is about 15580.4565401660. The cubic root of 242750626 is about 623.8116093163.

The spelling of 242750626 in words is "two hundred forty-two million, seven hundred fifty thousand, six hundred twenty-six".

Divisors: 1 2 557 1114 217909 435818 121375313 242750626