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242136210 = 23526330689
BaseRepresentation
bin11100110111010…
…11010010010010
3121212121210102210
432123223102102
5443441324320
640005452550
76000060321
oct1633532222
9555553383
10242136210
11114752578
1269111156
133b21b284
14242300b8
15163ce0e0
hexe6eb492

242136210 has 32 divisors (see below), whose sum is σ = 583355520. Its totient is φ = 64322048.

The previous prime is 242136187. The next prime is 242136217. The reversal of 242136210 is 12631242.

It is not an unprimeable number, because it can be changed into a prime (242136217) 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, 7455 + ... + 23234.

It is an arithmetic number, because the mean of its divisors is an integer number (18229860).

Almost surely, 2242136210 is an apocalyptic number.

242136210 is an abundant number, since it is smaller than the sum of its proper divisors (341219310).

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

242136210 is a wasteful number, since it uses less digits than its factorization.

242136210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30962.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 242136210 is about 15560.7265254550. The cubic root of 242136210 is about 623.2848634627.

Adding to 242136210 its reverse (12631242), we get a palindrome (254767452).

The spelling of 242136210 in words is "two hundred forty-two million, one hundred thirty-six thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 263 526 789 1315 1578 2630 3945 7890 30689 61378 92067 153445 184134 306890 460335 920670 8071207 16142414 24213621 40356035 48427242 80712070 121068105 242136210