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242770844 = 2273831407
BaseRepresentation
bin11100111100001…
…10001110011100
3121220211000222202
432132012032130
5444122131334
640031231032
76005342501
oct1636061634
9556730882
10242770844
11115046368
1269378478
133b3b10b4
14243574a8
15164a717e
hexe78639c

242770844 has 12 divisors (see below), whose sum is σ = 430669344. Its totient is φ = 119722464.

The previous prime is 242770831. The next prime is 242770849. The reversal of 242770844 is 448077242.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 242770798 and 242770807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242770849) 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, 415412 + ... + 415995.

It is an arithmetic number, because the mean of its divisors is an integer number (35889112).

Almost surely, 2242770844 is an apocalyptic number.

It is an amenable number.

242770844 is a deficient number, since it is larger than the sum of its proper divisors (187898500).

242770844 is a wasteful number, since it uses less digits than its factorization.

242770844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831484 (or 831482 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 38.

The square root of 242770844 is about 15581.1053523170. The cubic root of 242770844 is about 623.8289273259.

The spelling of 242770844 in words is "two hundred forty-two million, seven hundred seventy thousand, eight hundred forty-four".

Divisors: 1 2 4 73 146 292 831407 1662814 3325628 60692711 121385422 242770844