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242247929 = 71121915053
BaseRepresentation
bin11100111000001…
…10100011111001
3121212211110200112
432130012203321
5444003413204
640012114105
76001034120
oct1634064371
9555743615
10242247929
11114819500
1269165935
133b25a091
142425cab7
151640226e
hexe7068f9

242247929 has 24 divisors (see below), whose sum is σ = 320349120. Its totient is φ = 178817760.

The previous prime is 242247911. The next prime is 242247959. The reversal of 242247929 is 929742242.

It is not a de Polignac number, because 242247929 - 28 = 242247673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242247959) 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, 8567 + ... + 23619.

It is an arithmetic number, because the mean of its divisors is an integer number (13347880).

Almost surely, 2242247929 is an apocalyptic number.

It is an amenable number.

242247929 is a deficient number, since it is larger than the sum of its proper divisors (78101191).

242247929 is a wasteful number, since it uses less digits than its factorization.

242247929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15101 (or 15090 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 242247929 is about 15564.3158860260. The cubic root of 242247929 is about 623.3807076643.

The spelling of 242247929 in words is "two hundred forty-two million, two hundred forty-seven thousand, nine hundred twenty-nine".

Divisors: 1 7 11 19 77 121 133 209 847 1463 2299 15053 16093 105371 165583 286007 1159081 1821413 2002049 3146077 12749891 22022539 34606847 242247929